In the practice of science, how is the accuracy of a scientific claim evaluated?
by carefully gathering and analyzing a variety of opinions from the public
by testing the claim's predictions in a controlled setting
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by critically considering alternative scientific claims or explanations
by repeating the experiments that led to the claim being made
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Animal bodies (and even plant bodies for that matter) are complex enough that life couldn't exist without enzymes. enzymes are usually large, complex biological catalysts that are expensive to make. enzymes speed up the rate of chemical reactions without being used up during the reaction (they can be reused many times). they are highly specific in the reactions they regulate. knowing what enzymes are and how they function, why does this explain why complex life forms could not exist if there were no enzymes.

Si el equipo no fuera bueno no con el entrenador.

Which process of living things produces water that enters the water cycle