The answer is B since the energy that the body uses or the energy we have is measured in calories.
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Answer:
the mice were able to move the block
Explanation:
Simple machines trade force for distance around, so that a job will either require more distance and less force, or more force and less distance. This is because work is a force over a distance.
A shell is considered as biotic (living) because it is a hard, rigid covering of many animals such as snail, sepia, pila, turtles, sea urchins. A shell is protective outer layer of these soft bodied animals.