15×3=45 because p=m.v so simply finish this question.
The Smooth (ER) endoplasmic reticulum
Answer:
Researchers found that chronic exposure to a stress hormone causes modifications to DNA in the brains of mice, prompting changes in gene expression. The new finding provides clues into how chronic stress might affect human behavior.
Because water is so good at storing heat energy, it is harder for organisms to experience a change in body temperature in harsher climates.
