Which of the following describes convection? a. a cold swimming pool making a child cold b. a campfire cooking a fish hanging over the fire c. the sun heating the earth d. refrigerator coils keeping the refrigerator cold

What causes temperature extremes in the desert

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.

Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun