Crystal meth refers to a. methamphetamine crystals, which may be smoked. b. the "high" experience after injecting methamphetamine. c. methamphetamine imported from Colombia. d. methamphetamine capsules

Option A.

Explanation:

Crystal meth is a type of methamphetamine drug that is in form of glass or shiny bluish rocks. It is a highly addictive stimulants that affect the Central nervous system. It is used to treat sleep disorder and attention deficit hyperactivity disorder. The drug increases the dopamine level in the brain. Dopamine is a natural chemical that is involved in body movement, motivation and behaviors. It can be use by smoking or swallowing or snorting.

its temperature is increasing. this causes molecular vibrations to increase.

answer: 20 percent

the fish culture has become a developing commercial practice in developing countries which is already prominent in developed countries of the world. the major fish protein demand is being supplemented in developing countries is   fishing to meet the needs of the growing population. therefore, in some developing nations, the percentage of animal protein from fish in the diet can be as high as 20 percent.