-Can you study visable light using a radio telescope? -How are orbital space station useful?
-Compare and contrast refracting and reflecting telescopes.
-Should the government of the United States -Continue to finance the space shuttle program? Why or why not?​

There are six elements that make up most of the human body. which of the following is not one of these six elements?

4. how does a phospholipid behave in water? the phosphate head does not mix with water; the fatty acid tails do. the phosphate head and the fatty acid tails mix with water. the phosphate head and the fatty acid tails do not mix with water. the phosphate head mixes with water; the fatty acid tails do not.

The pharynx is the structure in the body that serves as a pathway of both air and food. how does the body make sure that food does not get into the lungs? the salivary glands secrete enzymes that pull food out of the air pathway. the small intestine pushes the air out of the digestive system. the pancreas breaks down food in the air pathway. the epiglottis closes the air pathway so that food will not enter it.