B because the temperature goes up then the birds would move to the south were it is cooler.
Answer:
i don't think the vaccine will help. a lot of people died from it.
Explanation:
In geology, a graded bed is one characterized by a systematic change in grain or clast size from one side of the bed to the other. Most commonly this takes the form of normal grading, with coarser sediments at the base, which grade upward into progressively finer onesI just learned about this in our rocks and minerals unit for science,
Either amino acids or genotypes.
The density of the water causes pressure, which causes water to move.
