Answer:
Producers
Explanation:
Autotrophs make their own food from chemical or light energy sources.
Oxygen would slowly deplete into carbon dioxide as there is no photosynthesis to create more. Earth would not be able to support human life later on.
Answer:
The soil air is responsible for influencing the availability of many nutrients. Soil air is also by many of the microorganisms that release plant nutrients to the soil. The soil air can fill soil pores as water drains or is removed from a soil pore by evaporation or root absorption.
Explanation:
The bulk of facebook's revenue comes from: advertising
