The Mekong River flows through the countries China, Myanmar, Thailand, Laos, Cambodia, and Viet Nam.
Carbonate rocks, like limestone <span><span>dolomite's, and chalk on earth</span> </span>
Answer:
A
Explanation:
Maybe i asked a old person
<span>C. the rate of primary productivity
</span>Since primary productivity is measured in three ways (A<span>mount of CO2 used,</span>
<span>rate of sugar formation and </span><span>oxygen production) these don't control the climate, but can change it. Unlike the other options.</span>
