How do trace chemicals affect the environment?
Answers
Answer:
Accumulation of trace elements, especially heavy metals, in the soil has potential to restrict the soil's function, cause toxicity to plants, and contaminate the food chain.
Explanation:
Answer:
Accumulation of trace elements, especially heavy metals, in the soil has potential to restrict the soil's function, cause toxicity to plants, and contaminate the food chain.
What are the effects of chemical reaction on life and environment?
Environmental pollution is the realease of chemical waste that causes harmful effects on the envrionment. Environmental pollution is offten divided into: pollution of water supplies, the atmosphere and the soil. People most often notice the damage of chemical pollution on animals and plant life.
Is chemical change harmful or helpful to the environment?
Chemical and physical changes occur all around us all the time. These changes are essential parts of our daily lives, for example, digesting food, combustion, osmosis, and phase changes. However, a few of the chemical and physical changes that occur daily are harmful for the environment.
Explanation:
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Related Questions
Based on the food chain, identify the primary consumer.
A)
frog
B)
grass
sunlight
D)
grasshopper
Answers
Answer:
grasshopper
Explanation:
Because primary consumers are heterotrophs that feed on producers
A punnet square shows you all the ways in which____can combine.
A. alleles B.eggs
C. sperm. D. colors
Answers
Answer:
The answer is A. alleles
(A)
why you consider it is important to quantify matter. Please provide 3 examples
of materials you may quantify
Answers
Answer:
Utilizing the proper measurements—and checking and rechecking them before acting—can benefit us in so many areas of our lives. ... All of these things will help you maximize another key measurement: your gas mileage! As you can see, measurements matter in all areas of life
If you were asked to determine if a cell is a prokaryote or eukaryote, the presence of which characteristic would be the best indicator? point
Answers
Answer:
Nucleus
Explanation:
Prokaryotic and Eukaryotic cells are very different from each other and can be distinguished by various characteristic.
But the best indicator that determine whether a cell is a is a prokaryote or eukaryote is the presence of nucleus. Prokaryotic cell do not contain nucleus and their DNA is found in cytoplasm while Eukaryotic cell contains membrane bound nucleus and their DNA is found in nucleus.
Hence, the presence of nucleus would be the best indicator.
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dsssssdsxsdwe23343evc vczc
Answers
Answer:
Explanation:
wow
Answer:
hi
Explanation:
Analogy of Cell wall
Answers
Answer:
In school, I was taught that it is like a bouncer who controls who enters and exits the club because the cell membrane controls what is able to permeate into the cell. It’s good, but I like to think of it as a door.
(GIVING BRAINLIEST)
How is sleet different from hail?
A) Hail falls to the ground as liquid water, and sleet is solid.
B) Hail falls with rain and snow, and sleet only falls with snow.
C) Sleet can happen during thunderstorms, and hail cannot.
D) Sleet pellets are smaller than hail.
Answers
Answer:
The answer is C) Sleet can happen during thunderstorms, and hail cannot. or D) Sleet pellets are smaller than hail.
Explanation:
Answer:
D
Explanation:
Using the ecosystem model above, develop a constructed
response of whether energy can flow from each example listed
below. If energy does transfer, give an example
• animal to animal
•plant to animal
• animal to plant
•plant to plant
Answers
Answer:
Energy transfer in ecosystem follows the 10 % law.
Explanation:
In an ecosystem model, the transfer of energy starts with the base level that is from the grass level to the grasshopper that is the primary consumer. This is a plant to animal. The energy transferred from grasshopper to snake is an example of the animal to animal. The dead and decaying animal may transfer this energy back to the plant through the soil.Why do human populations change?
Answers
Answer:
Because either humans are passing away quickly or there are a lot of child births (Maybe even both)
Explanation:
Answer:it depends on death rates which depends on population
Explanation:
what events associated with earthquakes do cause the greatest loss of life and property
Answers
Answer:
tsunami
Explanation:
Earthquakes cause tsunamis.
Choose a statement that explains why competitive exclusion occurs between different species.
Limited resources are easily shared.
There are unlimited resources in the ecosystem.
Competition decreases the health of all animals.
One competitor is best at using a limited resource.
Answers
The statement "Limited resources are easily shared" is the one correct about the competitive exclusion between different species.
What is competitive exclusion?It is the result of the competition in which a species is expelled by another more efficient species from a part of the available habitat.
Characteristics of the competitive exclusionThe competitive exclusion principle states that two species cannot occupy the same ecological niche in the same habitat.If there are limited resources, eventually one species will exclude the other, given a certain period of time, through “competitive exclusion”.Therefore, we can conclude that the competitive exclusion states that two species occupying the same niche cannot coexist in the long term since they would enter into competition for limited resources.
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Which factor determines who a society will produce goods and services for?
A.
the economic system in the society
B.
the available resources in the society
C.
the population of the society
D.
the external sector of the society
Answers
Answer:
the economic system in the society
No question, just answers
What is the difference between a detritivore and a decomposer?
While detritivores feed on dead organic matter, decomposers actually break down dead or decaying organisms.
What is the main difference between food chains and food webs?
Food webs are more complex than simple food chains.
Taj incorrectly states that autotrophs are also known as consumers that need to feed on other organisms, including plants and animals, to gain energy. Which of the following best describes consumers that feed on other organisms such as plants and animals for energy?
heterotrophs
Which of the following is the first trophic level in every ecosystem?
autotroph
What is the relationship between matter and energy in an ecosystem?
Matter and energy are cycled through the ecosystem.
Answers
A food chain shows the feeding between different trophies levels and a food web shows feeding in an interrelated food chain.
If you could erase one invention from existence, what would it be and why?
Answers
Answer: sports lol
evidence :
Answer:
I would erase cigarettes from existence, so people can quit damaging their mind and their lungs.
Explanation:
HELPPP!!!
1) which of the following do you think is most required for seed germination?
Answers
Answer:
all of the above
Explanation:
the type of land tenure system in which a farmer pays rent is called........
Answers
Answer: can u be a little more clear with ur question ?
Explanation:
Métayage, Italian mezzadria, type of land tenure whereby the cultivator
Source: Wikipedia
Which is a natural source of greenhouse gases?
Answers
Answer:
Examples of greenhouses gases are water vapor, carbon dioxide. methane, nitrous oxide and ozone (O3). Lightning produces ozone as does UV light at high altitudes, methane is produced biologically and in volcanoes (but doesn’t last long in the atmosphere). Carbon Dioxide is also produced biologically and in volcanoes. Water vapour is most from ocean evaporation, which is bad news if the Earth gets hotter because that leads to more Water vapour.
Explanation:
A natural source of greenhouse gases is respiration
Greenhouse gases are gases that trap heat in the atmosphere and warm the planet. The major greenhouse gases are:
Carbon dioxideMethaneWater vapor Nitrous oxide Fluorinated gasesThe greenhouse gases occur from natural sources and synthetic sources
Some of the natural sources of greenhouse gases are:
Respiration Decomposition of plants.Ocean release etc.Hence, a natural source of greenhouse gases is respiration
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Biologists have been able to keep isolated chloroplasts or
mitochondria for a few hours or days. can these structures be
considered alive?
Answers
Answer:
Isolated chloroplasts or mitochondria cannot be considered alive, because although they can survive while isolated for a few hours or days and they resemble that of an independent cell (which are alive), they don't metabolise energy, and they don't have cells.
PLZ HELP WILL GIVE 100 POINTS AND BRAINLIEST In comic strip form, draw the stages of binary fission asexual reproduction. You should have at least three drawings in the strip. Be sure to include and label the nuclei, cell walls, cytoplasm, and daughter cells.
When your drawings are complete, add any additions to make them like a comic strip you find in a newspaper. You can include dialogue between the cells or headlines for each picture. You can make your strips funny, dramatic, scary, or any other appropriate style you want.
Answers
Binary fission is a type of asexual reproduction observed in bacteria, in which one cell divides into two daughter cells.
What is binary fission?During binary fission, there is no involvement of two parents and also there is no gamete formation occurring, so it is categorized into asexual reproduction.
There are several steps during binary fission, firstly bacteria replicates its DNA, secondly, it grows and increases the number of a cell organelle, now it segregates DNA into two parts, at the end splitting this large cell.
In DNA replication bacteria uncoils its chromosome and copy this genetic information to transfer it to subsequent generations.
Therefore, replication, cell growth, segregation, and splitting of the cell are stages of binary fission.
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What is the label F?
A. Centromere
B. Chromosome
C. Centrioles
D. Metaphase Plate
Answers
Answer:
c
Explanation:
Which product is the result of light reactions in photosynthesis? O A. Water B. Glucose O c. Carbon dioxide OD. Oxygen
Answers
Answer:
D. Oxygen
Explanation:
Plants absorb carbon dioxide (CO2) and release oxygen for humans and animals to breathe in. Afterward, they'll release CO2 for plants to absorb, which forms a cycle.
Answer:
Oxygen
Explanation:
Both light dependent and light independent reactions in photosynthesis create glucose. But, only light dependent reactions convert carbon dioxide to oxygen.
Light independent: Carbon dioxide + water --> ATP and NADP(Energy/Glucose) and water
Light dependent: Carbon dioxide + water + light --> Glucose(ATP and NADP), water, and oxygen
2. "Natural selection is usually thought of as an agent of change in populations, but it can also act to maintain the status quo."
In a short, written response, analyze and evaluate this statement. Include the range of responses of a population to changes in the environment, such as differential reproductive success, the adaptation and development of diversity in and among species, and the change in populations.
Answers
Answer:
Those organisms survive and maintain its population who are chosen by natural selection.
Explanation:
This statement means that when the population experiences a new set of environmental conditions, two things are happened i. e. the population either adjusts through natural selection or becomes extinct. The fossil of dinosaur indicates that extinction occur due to changed in the environment. If the population made changes in itself and adapt the environment then the organism survive otherwise extinction occur.
1. Which of the following would not be considered part of a niche?
O where the organism lives
O the prey of the organism
when an organism dies
O how far an organism travels to eat
Answers
Answer:
How far the orginisme travels to eat.
Explanation:
The
was a series of acts, mostly in the 1960s, to increase agricultural yields.
A) synergistic effect
B) integrated pest management
C) conservation tillage system
D) green revolution
E) genetic modification of crops
Answers
Answer:
E
Explanation:
in 1960 if agricultural yields increase it is modified into genetic of crops
Answer:
Green revolution?
Explanation:
This increased agricultural production worldwide. I’m taking the test right now!
According to the kinetic theory, all matter is composed of
plasma
particles
solid material
waves
Answers
Answer:
Explanation:
According to the kinetic theory, all matter is composed of Particles
Why do some plants perform C4 photosynthetic pathways instead of the more common C3 pathway?
Answers
Answer:
c4 plants are better adapted to tropical climate.and C4 plants effectively obtains Co2 even when present in low concerntration.this is bc co2 has high affinity for c4 organic acids present in C 4 plants.because of presence of C4 organic acids,plants can tolerate saline and acidic soils.they are able to maintain high area Co2 fixation because of compactly arranged mesophyll cells.
Plants may withstand acidic and saline soils thanks to the presence of C4 organic acids. Because the mesophyll cells are packed closely together, they can continue to fix a large amount of CO2.
What is photosynthetic?The process by which plants convert carbon dioxide, water, and sunshine into oxygen and sugar-based energy is known as photosynthesis.
Photosynthesis is a process used by plants and other living things to convert light energy into chemical energy that can then be released through cellular respiration to power the organism's activities.
Tropical climates are better suited to c4 plants. even in low concentrations, C4 plants can successfully absorb CO2. This is because the c4 organic acids found in C4 plants have a strong affinity for co2. Plants may withstand acidic and saline soils thanks to the presence of C4 organic acids. Because the mesophyll cells are packed closely together, they can continue to fix a large amount of CO2.
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what are force diagrams ?
Answers
Answer:
It is isolated from its surroundings showing all the forces acting on it In physics and engineering
Explanation:
Which of the following terms means "a group of connected or related objects
or materials"?
A. Biology
B. Matter
C. Structure
D. System
Answers
I’m pretty sure that’s the right answer, someone correct me if I’m wrong
Answer: system
Explanation:
searching a bunch of stuff, research pages say system
Forms when a river deposits sediments at the bottom of the mountain.
A. Delta
B. Sand Dune
C. Alluvial Fan
D. Cave
Answers
Hello!
Your answer: Delta
Have a Great day!
A chromosome is what?
A. A type of cell membrane
B. Carbohydrate inside the nucleus
C. Lipids surrounding the nucleus
D. Tightly wound up dna