Why is the inner core made from solid metal, while the outer core is made of molten metal? A. The temperature of the inner core is higher than the outer core
B. The temperature of the inner core is lower than the outer core
C. The pressure of the inner core is higher than the outer core
D. The pressure of the inner core is lower than the outer core

The graph shows the solubility of several different salts in water, across a range of temperatures. according to the graph, which salt can dissolve at a concentration of about 60 g/100 cm3 of water at 40 degrees celsius?

During endocytosis, cells expel what they don't need take in what they need shrink due to loss of water

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.