This student is holding a model of the human brain. What are two benefits of this model? A. It shows how the brain works in the body B. It shows the location of the brain in the body C. It shows how the parts of the brain fit together D. It shows the shape of the brain

What word is used to describe differences of individual organisms

Which of these has happened to your food by the time it reaches your small intestine? a. all the macromolecules have been broken down completely. b. lipids and starches have been partially broken down. c. starches and proteins have been partially broken down. d. proteins and lipids have been broken down into subunits.

What are the two causes of density in deep current waters? a. salinity (how much salt) of the water and high temperaturesb. salinity (how much salt) of the water and low temperatures c. oxygen content of the water and high temperatures. d. oxygen content of the water and low temperatures