Why is it important to keep a microscope covered when you’re not using it?

What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.

Identify the composition of oceanic and continental crystal rocks. in a model of earth’s interior, where would these rocks appear?

How do living things obtain phosphorus