The figure provided shows three solid blocks, each at a different temperature. In which direction will heat flow?
A: from sample 2 to sample 3

B: from sample 3 to sample 1
C: from sample 1 to sample 2

D: from sample 3 to sample 2

1. desertification

2. captive breeding

3. black rhinoceros

4. renewable resources

explanation:

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affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.

69 is the correct math for the amino acids