Answer:
B:The formation of two or more species from a common ancestor.
Explanation:
Answer: b. Nitrogen; Oxygen
Explanation:
The air is a mixture of gases in the following percentage;
Nitrogen; 78%
Oxygen : 21%
Carbon(IV)Oxide : 0.03%
Argon : 0.9%
Others ( minute traces of Neon, Helium, Methane e.t.c) : 0.17%
Deterioration
in neurons that produce acetylcholine is an underlying Alzheimer's disease. <span>Acetylcholine
is an organic chemical that functions as a neurotransmitter at neuromuscular
junctions, at synapses, in the ganglia of the visceral motor
system, and at a variety of sites within the central nervous
system in the brain and body of many types of animals, including
humans. A neurotransmitter is a substance released by </span>synaptic terminals
for the purpose of transmitting information from one nerve cell to another.
Answer:
TRUE.
Explanation:
(link to the quizlet study flashcards just incase you need them)
C. Not evolve because in a gene pool the frequency does not change from generation to generation.
