ECOLOGY
ENERGY FLOW AND PRIMARY PRODUCTION
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
The elements carbon, oxygen, hydrogen and nitrogen combined make up about 96% of our bodies (carbon is about 18%). Carbon is necessary for life because it is a(n)
|
uncommon element in all living things.
|
|
element found only in the atmosphere
|
|
excellent bonder
|
|
is found mostly in dead things.
|
Explanation:
There is 1 question to complete.