What two factors must be internally balanced for survival? a) energy and water b) water and materials c) materials and age d) materials & energy

       b is the answer hope i helped :)

If this is correct can I get brainlist pls and thank you

have a blessed day :) d

Explanation:

i think that is new experiments yield untrustworthy data and should be carefully considered, because you don't know what will happen with the experiments.

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