Hello there ^ _ ^
I believe the answer is : A - Evolution
Good luck!
<span>Desertification is the cancer of the earth,” Argentine geographer Elena Abraham told IPS. “It is a process of degradation that does not manifest itself in spectacular ways but furtively advances, and by the time it is visible there is nothing to be done, and people have to move away, in search of an alternative.”</span>
~Hello There!~
The answer is serotonin.
Hope This Helps You!
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Have A Great Day ^_^
- Hannah ❤
The answer is
c. he should write down data clear, step-by-step instructions as he goes along
