Answer:
C. Atoms may combine to form molecules.
Explanation:
Atoms are considered the smallest complete units of matter to exist.
Molecules are basically connected atoms; two, three, or more atoms can connect to make a molecule.
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Answer:Darwin realized that existing heritable variation in a generation must be the starting point for a change in nature. In any generation, the animals in the litter are never quiet the same. And in the wild,such a tiny heritable variation might make all the difference between life and death.
Explanation:
Answer:
Temperature, climate, and types of species that live there.
Explanation:
The answer is A. melting. The change from gas to liquid to solid will release energy and the change from solid to liquid to gas will absorb energy. So the other three are releasing energy.
Producers could not survive without consumers. Produces rely on consumers to purchase their product, if no one buy their product, then the producer has no money to even produce anything. This like a car, the car is the producer, and the gas is the consumer, the car will not work unless there is gas. So a producer will not survive without the consumer
