Clues such as fossils such as bones, footprints, tar, etc, preserved underground helped inform scientists. You can also count how old a tree is when you cut it open and there are some alive for thousands of years so that is a possible way.
Answer:ohhh naaaa
Explanation: I got that answer already
<span>B. the creation of two daughter cells with half the number of chromosomes that the parent cell has by the process of cell division
</span><span>D. The exchange of solute molecules across a permeable membrane from areas of high concentration to areas of low concentration
</span><span>A. Osmosis occurs through a semipermeable membrane. Diffusion occurs through a permeable membrane.</span>
Answer:
below
Explanation:
it prevents recessive traits which often causes diseases or defects
MRNA is produced which caries the sequence to produce proteins
