The examples of natural pollution are Volcanoes, Forest fires, and floods.
What do you mean by Pollution?Pollution may be defined as the presence of any unwanted or contaminated substances in the atmosphere.
Car exhaust, pesticides, and trash are examples of artificial pollution.
Volcanoes release certain poisonous gases which are harmful to environment. Flood carries contamination like pesticides, chemicals, sewage waste, etc.
Forests fire are responsible for the increase of carbon dioxide in the environment.
Therefore, examples of natural pollution are Volcanoes, Forest fires, and floods.
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The total magnification produced from a 15x ocular and a 4x objective would be
what are the three strategies that the community could place to work with governmental structures to stop illegal dumping
Answer:
Illegal Dumping has gotten out of hand. According to the Los Angeles County Public Works, “People usually dump illegally to avoid collection and disposal fees, or because they believe proper disposal is just ‘too much trouble’.” This is very unfortunate for our communities who receive the negative consequences of higher taxes for cleanup, environmental hazards, and a breeding ground for rats.
The cost of a one-time cleanup and detoxing of an area can cost thousands of dollars. But to leave the mess is just not an option. The best option is to stop the illegal dumping before it happens, preventing the cost of cleanup, preventing the chemicals and toxins from entering the ground water, and preventing the rats and mosquitoes from breeding. The best areas to live are communities that care about their community! So, what can a community do to prevent illegal dumping?
Here are some key points to help deter illegal dumping:
Educate the public through the schools and through community awareness groups about the costs, chemical hazards and dangers incurred by illegal dumping
Create safe, public-friendly waste disposal options and advertise them
Create laws that impose stiff fines for the perpetrators and advertise these stiff fines
Use Illegal Dumping Cameras to catch the perpetrators in the act
Use Social Media to ask the public to identify the perpetrators
Follow through with quick clean up
These steps will invite the citizens to be involved and help deter the criminal activity of illegal dumping within your community.
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Answer:
1. a
2. b
3. b
4. c
Explanation:
period between two periods of mitosis
Answer:
The period between mitosis divisions - that is , G1 , S and G2 - is known as interphase....A bird that preys on moths is introduced to the habitat with moths and trees like the ones shown below. What will most likely happen to the population of the moths in this habitat?
Answer:
It will decrease
Explanation:
PLEASE HELP
A student wants to compare the amounts of CO2 given off by yeast provided
with different amounts of sugar. The student places a balloon over each
container to catch the released CO2. How can the student make quantitative
observations of the CO2 collected in the balloons?
A. Describe the shape of each balloon.
B. Approximate the relative size of each balloon.
C. Measure the circumference of each balloon.
D. Count the individual CO2 molecules in each balloon.
Answer:
So others don't get confused, the answer would be Measure the circumference of each balloon
Explanation:
The student will utilize the following factors to make quantitative observations of the carbon dioxide collected in the balloons which are describing the shape of each balloon, the relative size of each balloon and measuring the circumference of each balloon.
What is Yeast?
Yeast is a type of fungus that undergo fermentation, where it converts sugar into energy and carbon dioxide is produced during the process as a byproduct.
When sugar in different amounts is provided to the yeast, the carbon dioxide concentration will also differ accordingly. More fermentation leads to more sugar production which leads to increase in level of carbon dioxide.
The shape of the balloon determines the volume of carbon dioxide produced. The amount of carbon dioxide produced in each container is compared by the relative size of each balloon and measuring the balloon circumference will help to calculate the volume of gas.
Therefore, describing the shape of each balloon, the relative size of each balloon, measuring the circumference of each balloon are very important factors to determine the carbon dioxide collected in balloons.
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Click the - button that is to the left of the intensity scale to zoom out such that the top of the scale is at 100. Move the temperature slider to that of the Sun. The red part of the thermometer on the far right should just be touching the line marked Sun. Approximately what temperature is the surface of the Sun?
Answer:
5,500°C - 6,000°C
Explanation:
Approximately, 5,500°C - 6,000°C temperature is the surface of the sun.
What is thermometer?
An instrument for measuring and indicating temperature, typically one consisting of a narrow, hermetically sealed glass tube marked with graduations and having at one end a bulb containing mercury or alcohol.Which expands and contracts in the tube with heating and cooling.Learn more about thermometer below,
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2. studies the genomes of different species and
how they are related
Explanation:
Comparative genomics is a field of biological research in which the genome sequences of different species — human, mouse, and a wide variety of other organisms from bacteria to chimpanzees — are compared.
which leaf carries out more photosynthesis and explain why
Answer:
Explanation:
palisade layer
The upper, palisade layer captures most of the sunlight and carries out most of the photosynthesis. The columnar cells of the palisade layer contain many chloroplasts.
Which statement describes all stable ecosystems?
1) Herbivores provide energy for the autotrophs,
2) The populations of predators are dependent on
the populations of their prey.
3) The number of autotrophs equals the number of
heterotrophs.
4) Consumers synthesize ATP from light energy.
Stable ecosystem has the populations of predators are dependent on the populations of their prey of predators .
What is ecosystem?An ecosystem is a geographic area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life.
Who are predators ?Predators are organisms that hunt and kill other organisms for food. The organisms that are consumed by the predators are known as the prey.
Stable ecosystem has the populations of predators are dependent on the populations of their prey of predators .
Hence, option 2 is correct
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In a cell undergoing meiosis, during which stage do the sister chromatids separate from each other?
anaphase l
anaphase ll
telophase l
telophase ll
Answer:
anaphase ll
Explanation:
anaphase ll
BRAINILIEST PLEASE
Please help pleaseeeeee
Answer:
ribosome
Explanation:
Match the hormone with the appropriate effect or description.
a. Secreted when blood calcium levels are too high
b. Inhibits osteoclast activity Calcitonin
c. Causes RANKL to be produced
d. Secreted by the parathyroid glands
e. Stimulates an increase in the number of osteoclasts
f. Secreted when blood calcium levels are too low
g. Secreted by the thyroid gland
1. Calcitonin
2. PTH
Answer:
a. Calcitonin
b. Calcitonin
c. PTH
d. PTH
e. PTH
f. PTH
g. Calcitonin
Explanation:
Calcitonin is a short peptidic hormone secreted by the parafollicular cells of the thyroid gland. Conversely to the parathyroid hormone (PTH), calcitonin reduces the calcium level in the blood. If the calcium concentration in blood decreases, the concentration of calcitonin secreted decreases too. On the other hand, the PTH peptide hormone is an important hormone secreted by the parathyroid glands that affect bones and tissues. PTH stimulates the proliferation and activity of the osteoclast (specialized cells that play a crucial role in bone resorption) in order to increase calcium levels in the blood. PTH stimulates the expression of the receptor activator of nuclear factor-kappa-Β ligand (RANKL) protein, thereby activating osteoclast differentiation and inhibiting osteoclast apoptosis.
Blood and water flows a weupe
TON 9
ians do not rely on their lungs alone for breathing in air. They need the skin a
adequate intake of oxygen. Which of the statements below explains the reason
mphibians have only one lung to breathe in air
nly a small amount of air enters the lungs as they breathe.
surface area of the lungs are small compared to other terrestrial vertebrat
surface area of the lungs do not have folds compared to other terrestrial v
Answer:
These lungs are primitive and are not as evolved as mammalian lungs. Adult amphibians are lacking or have a reduced diaphragm, so breathing through the lungs is forced. The other means of breathing for amphibians is diffusion across the skin. To aid this diffusion, amphibian skin must remain moist.
Two common respiratory organs of invertebrates are trachea and gills. Diffusion lungs, as contrasted with ventilation lungs of vertebrates, are confined to small animals, such as pulmonate snails and scorpions.
Explanation:
Amphibians utilize gills for breathing early in life, and develop primitive lungs in their adult life; additionally, they are able to breathe through their skin.
A pH value of ____ has the highest concentration of hydrogen ions.
Answer:
0
Explanation:
Since the number 14 would be the value to have the strongest base in the pH scale, it would only make sense that 0 is the most acidic.
The ability of a person to roll his tongue is due to a dominant allele T. A woman who can roll her tongue is married to a man who cannot . Two of their four children have the ability to roll their tongues , and two do not . What are the parents genotypes ?
Mother: tt father Tt
mother Tt Father:tt
mother: tT Father Tt
mother:TT father:tt
Answer:
second option
Explanation:
brainly keeps marking my explanation as inappropriate?; had to delete it entirely
A 56-year-old man with an insufficient aortic valve is scheduled for surgery. Identify the chamber of the heart that the regurgitated blood most likely enter. Will the blood regurgitated primarily during systole or diastole?
Answerand Explanation:
The regurgitated blood will enter the left chamber of the heart. This is because as the patient's aotic valve is not working properly, it does not close properly, which allows a backflow of blood to occur towards the left chamber of the heart, as this chamber relaxes to be filled with blood pumped by the right camera.
As the regurgitated blood is a pumped blood, we can consider that it will happen, mainly during systole, which is the moment when the heart contracts to pump blood. This contraction will be made with the malfunction of the aortic valve which will cause blood regurgitation.
Why is quality control important for forensic DNA labs?
Question 2 options:
1)
Establishes methods for maintaining the quality of its product
2)
It means that the lab cannot produce bad results
3)
Avoids presenting errors in court
4)
Keeps bad or unskilled DNA analysts from testifying
Answer:
3). avoid presentation errors in court
Explanation:
hope it helps thanks ❤
Reproduction is important for every type of living thing. Without it, species would die out. To ensure their survival, animals have developed unique adaptations to improve their chances of reproducing. Behavioral adaptations are behaviors an organism performs to help it survive. Structural adaptations are physical features that help an organism survive.
The image below shows two peacocks. The male peacock is large and brightly colored. The female peacock is not as colorful. The size and color of the male's feathers attract females. This is an example of a structural adaptation intended to help with reproduction. Another structural adaptation is when male deer grow large antlers to attract females. Animals also use behavioral adaptations to attract mates. For example, male frogs sing to attract females and male spiders dance to attract females.
Plants also have adaptations to help with reproduction. While animals use behavioral and structural adaptations to improve reproduction, plants only use structural adaptations. For example, brightly colored flowers attract butterflies. Certain flowers also have nectar or give off an odor to attract insects. Attracting butterflies and other insects is important because they play a role in reproduction by pollination.
Which of the following describes an adaptation that relates to reproduction?
A. Hawks have sharp beak to help them quickly catch their prey
B. Elks attach leaves and grasses to their antlers to help them appear larger
C. Polar bears have white fur to help them blend into their surrounding environment
D. Whales have a thick layer of fat called blubber
Answer:
B. Elks attach leaves and grasses to their antlers to help them appear larger
Explanation:
The above option is the correct answer.
As elks appear larger, it tend to make other male elks to be scared to fight that particular elk for a female elk. Also, the female elk becomes more attracted to larger male elk.
Male elk are known to actually retain their antlers for more than half the year. Such elks do not likely group themselves with other males when they have antlers.
What is stimulated by high extracellular fluid volume (ECFV) and works to increase GFR and urine output?
Stretching of the atrial muscle cells releases a hormone called atrial natriuretic factor (ANF). ANF relaxes the juxtaglomerular (JG) cells of the afferent arteriole and thereby increases GFR and urine output.
What is postharvest handling?
Explanation:
In agriculture, postharvest handling is the stage of crop production immediately following harvest, including cooling, cleaning, sorting and packing. The instant a crop is removed from the ground, or separated from its parent plant, it begins to deteriorate.
This animal has a protostome developmental pattern and a trochophore larva. Identify the major clades that this animal belongs to
Answer:
Lophotrochozoans (it is a protostome)
Explanation:
Lophotrochozoa is a group (clade) of protostome animals, i.e. animals that undergo a developmental pattern in which the blastopore develops into the mouth. Lophotrochozoa clade includes bryozoans, annelids, molluscs, brachiopods, and platyhelminthes. Most lophotrochozoans have either a lophophore or trochophore larvae during the planktonic stage. A trochophore larva is a marine planktotrophic larva with several bands of cilia that form the locomotory organ (i.e., the prototroch), which is only found within the Lophotrochozoans.
When the larva and the adult form of an organism are different from each other this type of development is called indirect development. For example Porifers and platyhelminthis.
the larval form is Lophotrochozoans (it is a protostome)
Lophotrochozoa is a group (clade) of protostome animals, i.e. animals that undergo a developmental pattern in which the blastopore develops into the mouth.
Lophotrochozoa clade includes bryozoans, annelids, molluscs, brachiopods, and Platyhelminthes.
Most lophotrochozoans have either a lophophore or trochophore larvae during the planktonic stage. A trochophore larva is a marine planktotrophic larva with several bands of cilia that form the locomotory organ (i.e., the prototroch), which is only found within the Lophotrochozoans.
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What will happen to the rates of the forward and reverse reaction when a catalyst is added?
Answer:
heeya I'm jess
your answer is in the pic
Explanation:
hope it may help you
cissy/oppa
whatever hahahaha
es una fuente de energía no contaminante
Respuesta: Energía eólica.
Explicación: La energía eólica o las cosas que utilizan energía eólica, como las turbinas eólicas, no liberan emisiones que puedan contaminar el aire o el agua. Por tanto, una fuente de energía no contaminante.
Espero que esto ayude, buena suerte! :)
In the presence of lactose, how long does it take for the lac operon to be expressed?
(A) when glucose is more than lactose concentration
(B) when lactose equals glucose concentration
(C) as long as lactose is more than galactose concentration
(D) as long as lactose is more than glucose concentration
Answer:
the lactose Expresses as long as it is present. when all lactose is converted into glucose and galactose, the reaction stops
which water pollutants can lead to excessive growth of water weeds
Answer: Water pollution also affects the ecosystem – it can cause a phenomenon called eutrophication. This can cause fish and other aquatic organisms to die. Toxic elements dissolved in water can make their way to humans through fish or other aquatic organisms.
https://byjus.com/biology/effects-of-water-pollution/
Explanation:
Answer:
Excessive nutrients (nitrates) from fertilisers are flushed from the land into rivers by rainwater. Oxygen levels reach such a low point that fish and other organisms suffocate. These nutrients cause increased aquatic plant growth of algae and other plants.
Explanation:
Many North Americans have misconceptions about their own protein needs and the roles of protein in the body.
a. True
b. False
Answer:
I think its true hope this helped
Many North Americans have misconceptions about their own protein needs and the roles of protein in the body True.
What is Proteins?The body is made up of protein, which may be found in almost every organ, tissue, and body part, including muscle, bone, skin, and hair. It contributes to the production of hemoglobin, which transports oxygen in the blood, and enzymes, which drive numerous chemical reactions.
Twenty-plus fundamental building blocks known as amino acids are used to create protein.
The essential amino acids, also known as histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine, must be obtained from diet.
Therefore, Many North Americans have misconceptions about their own protein needs and the roles of protein in the body True.
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There is a claim that lycopene, the reddish substance in tomatoes and peppers, is of value in protecting people from Alzheimer Disease, a neurological condition. How would you, as a Biomedical Research Scientist, go about to refute or substantiate this suggestion?
Answer:
Conduct a study to determine if lycopene obtained from tomato and pepper consumption is significantly associated with a decreased level of abnormally folded proteins in neurons of the cerebral cortex
Explanation:
Alzheimer's disease is an irreversible, progressive, brain disorder characterized by the loss of neurons (the main brain cells) and synaptic connections in the cerebral cortex and specific subcortical regions. It has been shown that Alzheimer's disease is associated with an abnormal folding of proteins such as amyloid and tau proteins in neurons, thereby leading to the loss of communication between brain cells. In consequence, in this case, it should be interesting to design a study in order to observe if lycopene obtained from tomato and pepper consumption can decrease the levels of abnormally folded proteins in neurons of the cerebral cortex, which is a pathologic hallmark of Alzheimer's disease. For this purpose, it is expected to form two groups of study: 1-one group composed of individuals that regularly consume tomatoes and peppers and 2-one group composed of individuals that do not consume these fruits, as well as a third 'control' group composed of individuals that obtain lycopene by consuming other plants (e.g., watermelon, pink grapefruit and redd carrots which are also high in lycopene). Subsequently, it should be necessary to experimentally determine if lycopene is significatively associated with a decreased level of abnormal amyloid and tau proteins in neurons of the cerebral cortex. Finally, the comparison between individuals that regularly consume tomatoes and peppers with the control group may result useful to determine if different lycopene sources may affect protein folding.
When blood glucose levels rise, the hormone ___ is released from the ___ to convert excess glucose into glycogen, a short-term energy storage molecule for the body.
Answer:
insulin; pancreas.
Explanation:
An endocrine system refers to a series of ductless glands and organs responsible for the production and secretion of hormones that are used by the body for the performance of various functions such as metabolism, controlling growth, reproduction, mood, sleep, etc. These hormones are secreted directly into the circulatory system (blood) and then transported to the organs and tissues in the body.
Basically, the endocrine system contributes significantly to the state of homeostasis in the body.
Homeostasis can be defined as a process through which a living organism maintains a steady or stable physical, internal and chemical environment that is ideal to enhance life and proper functionality.
Generally, when the blood glucose levels of a person rise, through an endocrine system, the hormone known as insulin is released from the pancreas to convert excess glucose into glycogen, which is typically a short-term energy storage molecule for the body.
In conclusion, the endocrine system maintain homeostasis by releasing insulin from the pancreas to decrease blood sugar and releasing glucagon to increase blood sugar.
Why are economic impacts important to consider when planning to address climate change? Wealthy people and businesses won't support changes if the changes are not beneficial to them in the short term Climate change is the most significant danger humans face in the next 100 years We only have limited resources and so should use them where they will do the most good Without substantial economic sacrifice the world will suffer significant, inextricable (cannot be undone) damage due to climate change
Answer:
The projections, if they play out, illustrate the potential magnitude of decisions such as the recent one by President Trump to walk away from the international Paris climate accord, in which more than 170 countries agreed to slash their carbon emissions in coming years. Meanwhile, hundreds of governors, mayors and other elected officials have vowed to continue the shift toward cleaner sources of energy.
Hsiang acknowledged that despite the researchers’ efforts to use sound statistical approaches and a wealth of databases, calculating the future costs of climate change is inherently uncertain. Communities are likely to adapt and become more resilient. Industries evolve and relocate.
Delavane Diaz, a senior technical leader at the Electric Power Research Institute, agreed that the study has limitations. For one, it fails to account for how humans will probably plan for and respond to the changing climate. Still, she said, the conclusions provide an important glimpse of the economic risks the United States could face as global warming worsens.
Explanation: