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Answer:
C .they take up the usable forms of nitrogen found in the soil .
Explanation:
Answer:
B. The prefixes chemo- and photo-: define the electron source
Explanation:
The prefix chemo is related to <u>chemical/drug</u> and photo is related to<u> light</u>. This can be proved by analysing the following examples:
Chemotherapy = therapy with chemicals
Phototherapy = therapy with light
Answer:
Less energy is available to the upper trophic levels.
Answer:
Carbon dioxide has also increased over the last 100 years-- from about 300 ppm to 370 ppm.
Explanation: