2 answers:
Answer:
all of the above I think??
The answers are 2) can be used to keep your heart beating and 3) keep your heart beating.
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Positive. The 1st object loses electrons and will thus have an imbalance of charge with loss of electrons.
Answer:
otherwise known as option D
Explanation:
:)
Answer:
B erosion
Explanation:
Erosion would usually require water
I think the answer is convection
