Hormones play important roles in
regulating blood glucose levels. For example, (i) the hormone insulin regulate
blood glucose levels by suppressing the breakdown of proteins into amino acids and
of adipose tissue into free fatty acids. (ii) The hormone asprosin regulate
blood glucose levels by enhancing the release of liver glucose during fasting.
B and D. Earths axis is an invisible and imaginary line stuck in the middle of the earth. Kind of like stabbing an apple with a stick right through the middle. Then you spin that stick and the apple will spin.
Acid rain can be very harmful, mildly harmful, or not harmful at all. It mainly depends on the density of the rain, and how bad the current air pollution in the area is. Also, it depends on how often the area gets acid rain. The first few times an area gets acid rain, it's nearly harmless. Then, the next few it can be very dangerous, but eventually gets weaker over time. More air polluted areas are more likely to get much more harmful acid rain.
Summary: Acid rain is usually mildly harmful, mostly only harmful to infrastructures.<span />
2. reaction 3. body functions
