Over the past century, the global sea level has risen by 4 to 8 inches. however, over the last 20 years this increase has been occurring at approximately twice the average speed of the preceding 80 years. is not a cause for this increased global sea level. a) thermal expansion b) melting of glaciers and polar ice caps c) ice loss from greenland and west antarctica d) an increase in the water present in the water cycle

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.