Which of the following is a true statement about skepticism? a. it is not a useful part of science and should be eliminated. b. it keeps new emerging ideas from ever becoming theories or laws. c. it develop scientific consensus by making sure new ideas are critically evaluated. d. it allows scientists to be open to new ideas.

Which of the following describes a negative feedback loop? when the heart rate is too high, the body sends hormones that continually increase the heart rate higher. when a pregnant woman is in labor, the body sends hormones that increase the intensity of contractions, which then increases the secretion of the same hormones. when blood sugar is too low, the body sends hormones that raise blood sugar until it reaches a typical level and hormone secretion slows. when a person is jogging, the body sends hormones that continually decrease the rate of oxygen supply to the legs.

All vaccination should(n’t) be mandatory! 1.at least 5 sentences explaining 2.why? 3.in the end summarize the sentence

All organisms contribute some water to the water cycle by conducting