Answer: Is the explanation
Explanation: To keep the U.S under control so the other countries don't attack
and also collect tax.
What is most likely result of a large asteroid hitting earth
Answer:
a huge amount of dust thrown up into the atmosphere.
Explanation:
"If the asteroid hits on land, there would be a huge amount of dust thrown up into the atmosphere. If it hits in water, then there would be an increase in water vapor in the atmosphere. This would result in an increase in rain resulting in landslides and mudslides."
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A(n) _______ is an underground area where the rocks, gravel, sand, and clay are completely filled with water.
A: aquifer
B: point-source
C: watershed
D: water table
what is tye effect of high concentration of O2 on respiration
Prolonged exposure to above-normal oxygen partial pressures, or shorter exposures to very high partial pressures, can cause oxidative damage to cell membranes, collapse of the alveoli in the lungs, retinal detachment, and seizures.
In 3–5 sentences, relate the impact of the industrial use of water for hydraulic fracturing (fracking) with the availability and quality of water.
Hydraulic fracturing refers to a strategy to obtain fossil fuels (e.g., natural gas) from the Earth's crust.
What is Hydraulic fracturing?Hydraulic fracturing, commonly known as fracking, is a technique used to obtain fossil fuels from the Earth's crust by causing microfractures at high pressure.
This technique (fracking) is harmful from an ecological perspective because it uses huge volumes of water.
In conclusion, hydraulic fracturing refers to a strategy to obtain fossil fuels (e.g., natural gas) from the Earth's crust.
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Ca(OH)2 is added to a large beaker of water. How is the solution different from the original water? The solution turns blue litmus to red. The solution turns phenolphthalein pink. The solution has more hydrogen ions. The solution has fewer hydroxide ions.
When Ca(OH)₂ is added to a beaker of water the solution would turn phenolphthalein pink. thus option B is correct.
What is phenolpthalein?
Phenolphthalein is a common indicator and is only pink when in basic solutions.
By adding calcium hydroxide, you are turning the solution into a basic solution since the concentration of OH⁻ ions is going up and therefore any phenolphthalein in solution would turn pink.
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Answer:
b
Explanation:
Which hypothesis is testable?
It is feasible to make observations that agree or disagree with a theory if it is testable. A theory is not scientific if it cannot be tested by observation.
where are your taste buds?
Answer:
tongue is the answer....
The stems of a(an)
_____do not form wood.
Answer:
Maybe the answer is aloe Vera?
What complementary DNA sequence binds to this DNA sequence: A – G – T – A – C ?
a
C – A – T – G – A
b
T – C – A – T – G
c
U – C – A – U – G
d
G – A – C – G – T
Answer:
b) T-C-A-T-G
Explanation:
Apples are to Trees
as Cars are to Garages
adenine (A) pairs with thymine (T)
and
cytosine (C) pairs with guanine (G)
How many ATP are used in the first half of glycolsis
What is the difference between decay and isotopes
Answer:
The radioactive decay causes emission of radiation. Unstable isotopes have a high number of neutrons or protons in their nuclei.
What abiotic factors affect the
oceans?
The table lists several examples of evolution.
1. evolution of tooth buds in birds
2. evolution of sequences in DNA and RNA
3. evolution of bipedalism in Homo sapiens
4. evolution of molecular oxygen for living beings
Which examples characterize organic evolution?
Answer:
evolution of bipedalism in homo sapiens
What are the advantages and disadvantages of genetically modified organisms?
Answer: Advantages: better crop yield, healthier plants and animals, and more appealing food. Disadvantages: potential health issues, lower quality of life for animals, ecological disruption.
Explanation:
(This answer includes and focuses on the process of artificial selection as genetic modification)
Advantages
Better crop yield: genetic modification is commonly used in agriculture to select plants with better yields, allowing future plant generations to grow more and produce more.
Healthier plants and animals: plants and animals can be bred or otherwise modified to increase their disease resistance or to eliminate health issues found in earlier generations.
More appealing food: farmers can breed the plants with the best-tasting fruits to create an overall more appealing fruit. Scientists have also used direct genetic modification through genome editing to create new types of apples and other fruits.
Disadvantages
Potential health issues: most easily understood with dog breeds, which have been artificially selected and bred to have specific characteristics. This leads to some breeds being more susceptible to various health issues, namely respiratory disruption in those with flattened faces.
Lower quality of life for animals: seen in poultry farming, where chickens and other birds have been modified to be as big as possible. While this does provide a higher meat yield, it also causes the birds to live for an extremely short amount of time, most of which is spent being unable to move.
Ecological disruption: in the attempt to prevent insects from feeding on plants through genetic modification, the insect populations can be harmed by a lack of food sources. This can lead to other disruptions up the food chain, that, while typically minor, could eventually have larger consequences.
Answer: Advantages: better crop yield, healthier plants and animals, and more appealing food. Disadvantages: potential health issues, lower quality of life for animals, ecological disruption.
Explanation: (This answer includes and focuses on the process of artificial selection as genetic modification) Advantages Better crop yield: genetic modification is commonly used in agriculture to select plants with better yields, allowing future plant generations to grow more and produce more. Healthier plants and animals: plants and animals can be bred or otherwise modified to increase their disease resistance or to eliminate health issues found in earlier generations. More appealing food: farmers can breed the plants with the best-tasting fruits to create an overall more appealing fruit. Scientists have also used direct genetic modification through genome editing to create new types of apples and other fruits. Disadvantages Potential health issues: most easily understood with dog breeds, which have been artificially selected and bred to have specific characteristics. This leads to some breeds being more susceptible to various health issues, namely respiratory disruption in those with flattened faces. Lower quality of life for animals: seen in poultry farming, where chickens and other birds have been modified to be as big as possible. While this does provide a higher meat yield, it also causes the birds to live for an extremely short amount of time, most of which is spent being unable to move. Ecological disruption: in the attempt to prevent insects from feeding on plants through genetic modification, the insect populations can be harmed by a lack of food sources. This can lead to other disruptions up the food chain, that, while typically minor, could eventually have larger consequences.
Which choice best summarizes the outcome of Redi’s experiment?
Redi precisely defined the word living.
Redi disproved spontaneous generation.
Redi showed that flies come from rotting meat.
Redi showed that living things can come from nonliving things.
Answer:
Redi disproved spontaneous generation.
Explanation:
CARRY ON LEARNING
Answer: (B) Redi disproved spontaneous generation.
Explanation: EDGE 2022
Which gases are found in refrigerator?
Answer: Tetrafluoroethane, Chlorofluorocarbon, Polystyrene, and Acrylonitrile.
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how does a doctor help us to make our life healthy? explain with examples
Answer:
Doctors save lives, but their importance goes far beyond that. Doctors also make a difference by helping patients minimize pain, recover from a disease faster or learn to live with a disabling injury. A patient's ability to enjoy life, even if they can't be cured, makes a huge difference to them and to their families.
Answer: Doctors save lives, but their significance extends far further. Doctors also make a difference by assisting patients in reducing pain, speeding up the recovery process from sickness, or learning to live with a debilitating disability. Even if a patient cannot be healed, their capacity to enjoy life makes a significant difference to them and their relatives.
Symbiosis is a type of close and long-term biological interaction between two different
species.
Answer:
symbiosis is a type of close and long term biological interaction between two different spraysis it is true and its example was (lichen)which is combination of two different states one is fungi and another is algae
witch best describs the theroy of evlotion
Charles Darwin’s theory of evolution states that evolution occurs by natural selection. Individuals in a species shows variation in physical characteristics. This variation is because of the differences in their genes.
What is evolution?Evolution is the process by which species adapt over time in response to their changing environment.
Individuals with characteristics best match to their environment are more likely to survive, finding food, avoiding predators and resisting disease. These individuals are more likely to reproduce and pass their genes on to their children.
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Which of the following steps is required to break down pharmaceuticals and pesticides in wastewater?
Aeration open basins
Ozonation and aeration
Biological nutrient removal
Grit and bar screening
Is needed to decompose pharmaceuticals and pesticides in wastewater ozonation and aeration
What is the ozonation process?Ozonation is a chemical oxidation technique that promotes the complete or partial decomposition of organic pollutants that are difficult to degrade.
With this information, we can conclude that is needed to decompose pharmaceuticals and pesticides in wastewater ozonation and aeration
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Mr. and Mrs. Kolar want to help their 12-year-old daughter Karen
resist peer pressure to smoke. They encourage Karen to brainstor
ways to refuse a cigarette in different situations that might come
up. What thinking skill are the parents helping Karen build?
-handling a hypothetical situation
-role playing
- memory
-transitivity
They encourage Karen to brainstorways to refuse a cigarette in different situations that might come up, thinking skill are the parents helping Karen build -handling a hypothetical situation.
What is Active peer pressure?Active peer pressure occurs when your friends explicitly persuade you to do something. Examples are offering and forcing you to drink then criticizing for refusing it. Forcing you to attend a party even your parents do not agree.
On the other hand, passive peer pressure happens within a person's want to fit in to his/her colleagues. It is further classified into social modeling and perception.
Thus, option "A" is correct.
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What is the economic importance of Taenia sp?
Answer:
Taenia saginata and Taenia solium are the two taeniids of greatest economic and medical importance, causing bovine and porcine cysticercosis and taeniasis in humans. In addition, T. solium eggs can infect humans, often giving rise to fatal neurocysticercosis (12, 39).
Explanation:
How is vaccination effective in reducing infectious diseases? Select all that apply.
Answer:
Explanation:
Question 6 is A because it is only that particular community and only a certain amount will most likely not have the disease
Question 5 is A, C, and D because they all explain why the vaccine is effective and how it might help out the community
Describe one advantage prokaryotes cells have over eukaryotic cells
Prokaryotes and eukaryotes differ in the presence of the nucleus and the organelles. Prokaryotes are small in size and can easily reproduce and adapt.
What are prokaryotes?Prokaryotes are primitive simple cells that are characterized by single cells with no distinct nucleus and membrane-bounded organelles. Cyanobacteria and bacteria are examples of prokaryotes.
The simple structure of the prokaryotes makes them adapt to environmental changes faster than the complex eukaryotic cell. They have a quick reproduction rate and short life cycles, unlike plants and animals.
The simple and small system of the prokaryotic cell allows the movement and diffusion of the ions and molecules easily. They are extremophiles and can survive harsh environments.
Therefore, small and simple prokaryotic cells are advantageous over eukaryotic cells.
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What are genes?
A. alleles that show the expression of one gene from
another
B. the specific sequences of DNA in an organism
C. small subtle changes in a person
D. dominant alleles that are expressed
Answer:
I believe it is b
Explanation:
I may be incorrect but genetics and natural selection are my passion so I believe this is correct. The way genes work is you receive half of your father's genes and half of your mothers. Whichever genes are dominant end up showing up on your body, which is called a phenotype. DNA is what makes up genes and makes them able to affect you. Let me know if I'm incorrect.
DUE TODAY 60 POINTS
Which is an example of genetic drift?
A. Artificial selection creates vegetables resistant to insects.
B. Allele frequencies change randomly each generation.
C. Females choose mates, resulting in large males.
D. Polygenic traits change due to directional selection.
Answer:
i think the answer is b
Explanation:
B. Allele frequencies change randomly each generation
Answer:
B
Explanation:
Genetic drift is the alteration of different genotypes in a small population which can cause individuals and organisms getting wiped out, not being able to reproduce, and disappearance. Allele frequencies change randomly each generation in a gene pool (collection of different genes present in a particular population: species in this gene pool have a choice to leave the gene pool or die out).
red went to the doctor because his body was not producing semen. Which part of Fred's body was most likely functioning incorrectly to cause this problem.
scrotum
glands
urinary bladder
Answer:
Glands
Explanation:
Prostate Gland
This walnut-sized gland surrounds a portion of the urethra and produces some of the fluid in semen.
Answer:
The answer would be testes.
Semen or seminal fluid refers to the organic fluid which contains spermatozoa.
The semen is produced by testes and associated reproductive glands such as seminal vesicles, prostate glands, and bulbourethral gland.
The testes and other glands are located mainly in the scrotum of the person.
Thus, the testes and other reproduc
Explanation:
thats the right answer
3 paragraph summary (I'll give brainlist if you do it correctly)
Answer:
alright bet I got this
Explanation:
Have you ever wondered what can happen to those plastic bottles you toss away? How do they decompose? What happens to them? Its simple really, they get eaten! No, not by people of course they are eaten by a tiny critter called a wax worm. The wax worms earn their name because they are often found living in beehives where they eat the beeswax.
Wax worms much like mealworms are used to break down things that would normally be endangering to our environment. These seemingly useless little animals do a whole lot for our environment especially with the amount of waste we produce! They really are a tiny secret hero to todays pollution problem.
After quite a few studies scientists are still unsure on how was worms can breakdown plastic with their tiny bodies but they appreciate the work these little recyclers do. They have a lot of theories on how these worms do this one of the theories is that bacteria can break it down, another theory is that enzymes in the worms intestines break down plastics. Though scientists believe it will take a while to figure this out they enjoy studying and learning more about this tiny helper.
which time period was not engaged in science?
ancient Greeks
Medieval Europeans
Renaissance Europeans
scientific revolution
Royal Society of England
present day
How does fossils record help scientists observe changes in organism over time ?
As the world changes, plants and animals change with it. Aside from a few living fossils, the species we see today are very different from species that lived in the past.
What is the minimum age of a fossil?A living being that lived more than 11 thousand years ago is considered a fossil, that is, before the Holocene, which is the current geological epoch.
Ancient remains or evidence, but less than 11,000 years old, such as sambaquis, are classified as subfossils.
The dating of a fossil can be done based on the already known percentage of Carbon-14 (C14) in relation to Carbon-12 (C12) of living matter (without decomposition).
Thus, the fossil record can be used to show that organisms changed to meet new conditions.
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