Answer these two questions

Oarweed and otter are present in the Kelp canopy, nudibranch, sponge, and sea urchin are present in the intermediate region, and rockfish is present in the dark seafloor.

Marine ecosystems are the aquatic environments with very high levels of dissolved salts, such as the ones which are found in or near the ocean areas. Marine ecosystems are defined by their unique biotic and abiotic factors.

Kelp canopy are the underwater areas with a high density of kelp that covers a large part of the world's total coastlines. Oarweed and otter are found in kelp canopy.

Intermediate region of the marine ecosystems contains nudibranch, sponge, and sea urchin. Dark seafloor contains rock fishes.

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An investigation to determine the feeding habits of a species of bird

employs the use of observational data obtained outside of a laboratory.

Observational data outside of a laboratory is best suited for feeding habits

of a bird because it requires lower degree of control over the environment.

Feeding pattern doesn't require any special technique which is why it can be

done on the field.

Other options require the use of  higher degree of control over the

environment  to ensure accurate results are derived.

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Answer:

A

Explanation:

You can see that air pollution increases sharply between those two days.

Answer:

a. between days 3 and 4

Explanation:

that was you big increase