How does the population density of india compare to that of the americas?

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?

Why is it important to study each branch of earth science?

The lineage of pea plants produced round seeds for four generations. the plants that fertilized these pea plants also produced round seeds. however, in the fifth generation, the plant produced to two plants with wrinkled seeds. can that be possible?