Aridge of sand projecting into a bay and often having a hooked and is a

Aperson travels 35 km in 0.4hrs, followed by 53 km in 0.6 hr. what is the average speed

Alaska and northern canada have a diet rich in vitamin d and their skin color is darker than predicted on the basis of iv intensity at their latitude. explain the observation:

Which of the following occurs most often in a population when genetic variation and overproduction are present? some organisms have a lower reproductive success than others. some organisms have a higher reproductive success than others. some organisms have no reproductive success. some organisms do not have genetic variation.