Answer:
Geologic Time Scale
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Enzymes act as catalysts that remain unmodified as they increase the rate of a chemical reaction.
Explanation:
di ko po Alam sagot jan ei sorry po
Answer:
C. hormone molecules
Explanation:
hormones are secreted in glands and are transported to the organs where they affect it and cause changes.
Scientists prove their hypothesis is true about Scientists can never "prove" their hypotheses are true, because some future experiment, possibly using new technology not currently available, might show the hypothesis to be false after all.