Answer:
negative feedback
Explanation:
Insulin reduces blood sugars when the levels are high in the blood. The hormone is produced by the pancreas and binds on receptors of cells. This initiates cell signaling mechanisms that signal the cell absorb sugars. When the blood sugars get back to normal, insulin production is reduced.
Answer:
A. Increase the amplitude. B. Increase the frequency. C. Increase the tension on the spring.
Explanation:
all of the above
A, none of them dissolves in water
Answer:
C the shapes of continents appeared to allow them to fit together
