<span>Market demand for goods associated with a species.</span>
The answer would be Dopamine
both sudden slip on a fault
An animal can respond in negative ways such as: biting, scratching, urinating, whining, restlessness, snippy, or getting sick.
Answer:
http://mairscience.weebly.com/uploads/5/7/8/8/57880837/8th_grade_key_2015_sol_released_test.pdf
Explanation: