Answer:
True
Explanation:
Precambrian, period of time extending from about 4.6 billion years ago (the point at which Earth began to form) to the beginning of the Cambrian Period, 541 million years ago. ... The Precambrian represents more than 80 percent of the total geologic record.
<span>The right answer is A. yes, the alleles for Beak X could remain in the population as a recessive gene.</span>
<h2>Answer</h2>
The parasympathetic neurotransmitter at target organs is <u>acetylcholine</u><u>.</u>
<h3>#CarryOnLearning</h3>

The retina; I may be wrong.
B) the less porous, the less permeable
Porous means "full of holes."
Permeable means "stuff can go through it."
The more porous something is, the more permeable it is.