A dam is a structure built across a stream or river to hold water back. Dams can be used to store water, control flooding, and generate electricity.
Answer:
Since life on Earth predates photosynthesis, the exploration of this deep-water environment that lacks any source of light could provide information on what those life forms looked like.
Explanation:
The liver primarily uses fatty acid oxidation for energy. Muscle cells use fatty acids, glucose, and amino acids as energy sources. Most cells use glucose for ATP synthesis, but there are other fuel molecules equally important for maintaining the body's equilibrium or homeostasis.
Plants have a cell wall composed of cellulose, chloroplasts, and a large central water-filled vacuole.
Explanation:
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