Nitrogen is a major component by which plants use sun energy to produce sugars from water and carbon dioxide. (It is also a major component of amino acids)
The correct answer is (b.) infiltration. Rainfall is to precipitation as groundwater is to infiltration. Precipitation is the release of the water from the cloud (evaporated water) in the form of rain and snow. Infiltration is a process in which the water from the ground enters the soil.
I'm pretty sure it would be;
-breaking down living and dead plant material
Sometimes it can be very difficult and sometimes it can be very easy.
Answer:
This observation would be quantitative.
Explanation:
This is quantitive because it says how many of what there is.
