C because oxygen was a byproduct of photosynthesis and proved to be EXTREMELY important in the atmosphere.
He could not explain “mechanism process.”
Hope this helps.
Answer:
A buffer zone is generally a zonal area that lies between two or more areas (often, but not necessarily, countries), but depending on the type of buffer zone, it may serve to separate regions or conjoin them. ... Buffer zones have various purposes, political or otherwise.
Explanation:
The importance of food chain is to keep its environment going and producing each community of each factor
A Thermometer: measures the air temperature.
A wind vane: determines the direction from which the wind is blowing from.
An Anemometer: measures wind speed.
A Hygrometer: measures the water vapor content of air or the humidity.
A Barometer: measures air pressure
