Answer: A
Explanation:
Oxygen makes up another 20 to 21 percent of our atmosphere. It's essential for life on Earth, and interestingly enough, it is poisonous when highly concentrated. Our concentration of 20 to 21 percent seems just right.
Answer:
Body Fossils.
Molecular Fossils.
Trace Fossils.
Carbon Fossils.
Pseudofossils.
Explanation:
Here they are! Hope its helpful :D
Messenger RNA (mRNA) is a large family of RNA molecules that convey genetic information from DNA to the ribosome, where they specify the amino acid sequence of the protein products of gene expression.
That would be reproduction with the male parts of a plant meeting the female parts of a plant.
