During aging, bone marrow is increasing replaced with "

Which of the following is not considered an appendage of the skin? nails glands follicles none of the above

Explain how scientists use geologic time to determine the age of landforms.

Abiologist counts the number of rabbits in a population each year and observes a decrease in population. since the coyote population has exploded, the biologist concludes that the coyote population has had a negative interaction with the rabbit population. which describes the biologist’s actions? a.) experimentationb.) inferencec.) observationd.) interacting