The agent of erosion that makes a rock fall from high places is

A) water

B) wind

C) ice

D) gravity

How can you put a father's name on a birth certificate if he's not in state?

What is chromatin and what are chromosomes?

The invention of the microscope in the 1600s was one of the most important inventions in the history of science. The microscope opened up a previously unseen world. Which theory developed most quickly and even changed as a result of the microscope

Darwin studied actual birds on the Galapagos Islands instead of using a simulation, as you did in this lab. Studying natural selection in the field can be challenging. List at least three possible challenges Darwin might have faced.

Which of the following currents has a great impact on reshaping the shoreline? ebb current tidal current longshore current flood current

What is a difference between systemic and pulmonary circulation? A. Systemic circulation carries deoxygenated blood to the lungs and pulmonary circulation carries oxygenated blood to the body. B.

Name the cells that are produced by the testes and ovaries

What description best explains why viruses can become more pathogenic to hosts that were not affected by the virus before?

The chief force pushing water and solutes out of the blood across the filtration membrane is A) the ionic electrochemical gradient B) protein-regulated diffusion C) glomerular hydrostatic pressure D) the size of the pores in the basement membrane of

From day 23 to 28 the progesterone levels are dropping. What effect will this eventually have on the endometrium?