Which of the following could be a result of an asteroid impact? A. Firestorms thousands of miles wide can be ignited.
B. The release of large quantities of dust and rock into the atmosphere. This can block out the Sun and cause cooling
C. Global storms of acid rain can be created.
D. All of these

the endocrine system secretes hormones into blood and other body fluids. these chemicals are important for metabolism, growth, water and mineral balance, and the response to stress. hormones provide feedback to the brain to affect neural processing. reproductive hormones affect the development of the nervous system.

answer; hypnagogic sensations)