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2 years ago

Why do think predatory animals like owls are often threatened in habitats that have been exposed to those chemicals?

Biology

1 answer:

antiseptic1488 [7]2 years ago

5 0

Answer:

At each higher level of consumption, the amount of toxin is magnified.

Explanation:

Those predators all eat smaller secondary consumers, and those secondary consumers eat the primary consumers, which a lot of the times are exposed to DDT. For example bugs are often the primary target for DDT, once those bugs are exposed to the DDT they carry it in/with them. When a fish eats the bug, that fish is now exposed to the DDT. When the fish is caught and eaten by an eagle that eagle and its young are now being exposed to DDT. The DDT might not effect the full grown eagle for its lifetime but it does effect its young.

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What role do plants play in carbon dioxide? (Look at image above for A. B. C. or D.

Arturiano [62]

Answer:B

Explanation:

Plants use CO2 and create oxygen, CO2 is CO2 no matter where it is from

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3 years ago

How is a model of the carbon cycle different from the actual cycling of carbon in an ecosystem?

user100 [1]

Answer: The biological carbon cycle is not only faster than the geological carbon cycle. The amount of carbon taken up by photosynthesis and released back to the atmosphere by respiration each year is 1,000 times greater than the amount of carbon that moves through the geological cycle on an annual basis. brainliest??

Explanation:

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3 years ago

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timama [110]

B is the answer since it needs to be improved

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2 years ago

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Please help me I will give you the brain thing and extra points. image below part 1

denis23 [38]

Answer:

C. Release of Heat Energy

Reason:

-A chemical is any substance that has a definite composition

-A chemical reaction is the process by which one or more substances change to produce one or more different substances

-Matter is anything that has mass and volume

-Solids have fixed volume and shape

-Liquids have fixed volume, but not a fixed shape

-Gasses have neither fixed volume or shape

Evidences of Chemical Change:

1. Evolution of bubbles (gas) without a heat source

2. Formation of a precipitation (solids floating in a liquid)

3. Transfer of energy (it gets hot or cold)

4. Color change

In the part of the question, "They noticed that bubbles form, the test tube got hot, and the magnesium disappeared", it states nowhere about color change or change in odor.

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2 years ago

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In a command economy, decisions about which goods are produced are

wlad13 [49]

Answer:

B. What the government decides is important for society.

Explanation:

Major areas of economic output are controlled by the government in a command economy. The government controls the means of production and owns the businesses that provide products and services for the general population. The government sets the pricing and manufactures the goods and services it believes would benefit the public.

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3 years ago