The energy content of food is described in terms of calories because the energy in food ultimately becomes heat.
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Answer:
A. Soot and dust is released into the air from the smokestack of a
power plant.
Answer:
Mineral crystals that form when magma cools slowly are larger than crystals that form when lava cools rapidly. Minerals form when rocks are heated enough that atoms of different elements can move around and join into different molecules.
The germinal layers that give rise to the digestive system is Ectoderm, Endoderm, Mesoderm, Respectively.
