Stuart is listing the changes to matter and energy that occur during the process of photosynthesis. Which of these examples should he include in his list? nuclear changes that convert hydrogen and oxygen into carbon chemical changes that convert carbohydrates into smaller molecules changes that convert light energy into chemical energy stored in carbohydrates changes that convert chemical energy into heat and light

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.