Plants are the producers — they use the sun's energy to convert water and carbon dioxide into plant material via photosynthesis. ... A producer is a living thing that makes its own food from sunlight, air, and soil. Green plants are producers who make food in their leaves.
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The answer is (4), (3) is merely a change in composition, thus not chemical but physical.
Answer: (4).
Answer:
greenhouse effects are molecules that trap heat on earth atmosphere
Answer: A
Explanation: Protons and neutrons form the nucleus of the atom, with electrons orbiting it.
