Answer:
serotonin
Explanation:
Recreational drug are drugs taken for enjoyment, or leisure purposes, they are drugs taken to altered state of emotions for pleasure, by changing the feelings, and emotions
examples are Alcohol, cigarette and cocaine
Serotonin is a chemical induced in the human body due to drugs taken. It help regulate emotions, feelings, appetite and digestion, sleep, and memory.
Answer:
Evaporation and Transpiration
Explanation:
Evaporation occurs when water molecules transfer from liquid water into the air and transpiration is water vapor escaping from pores in plants
Answer:
In early pregnancy, the blastocyst stage continues for about 5 days before the embryo implants in the uterus, or womb. At this stage, stem cells begin to differentiate.
Explanation:
Answer:
D. decreasing in population.
Explanation:
Triggerfish are the brightly colored fish and sea urchins are the globular animals, echinoderms. Triggerfish eat sea urchins for their survival.
An increase in the use of recreational boats over the area will damage the habitat of the triggerfish and also affect their food supply, it will result in a decreasing population of triggerfish. Due to lack of sea urchins and habitat disturbance, the Triggerfish population will decrease
Hence, the correct answer is "D. decreasing in population."
