In two or more complete sentences describe a long term effect of water erosion on humans, and discuss how this might be reduced or prevented.

Scientists divide the atmosphere into how many layers? four seven five eight

A doctor hypothesizes that a patient's digestive system is not properly secreting digestive enzymes. Which of the following would be a plausible diagnosis?

Which of the following is a reason why cells divide? A. to maintain a surface area large enough to support their cytoplasm. B. to mutate their DNA. C. to increase the volume of their cytoplasm. D. to decrease their amount of RNA

Which of the following is an endangered species

How can coevolution present a problem to the species involved if the environment in which they lived changed

Why is the musculoskeletal system Important to the human body

List the consumers that eat both plants and animals.

How do gases like CO2 contribute to the warming temperatures in the tropics?

What is the compire between phylum and xyleom?

Similar genera are grouped into a (n) A. phylum. B. class. C. family. D. order.