Bats and marine mammals are able to locate prey and to communicate by sending and receiving sound waves that echo off surface. Echos demonstrates the wave property of A: absorption, B: diffusion, C: transmission, or D: reflection

It has been two weeks since charles met with daniel, a dietitian, who provided charles with a menu for weight loss. charles and his mother are going back to see daniel again with a chart of the food charles has eaten. the following lists what charles ate in one day: breakfast 1 banana, 1 cup of nonfat milk, 1 egg lunch 1 cup of carrots, 3 oz of steak, 1 apple, 1 cup of nonfat milk dinner 6 oz of skinless chicken, 1 baked potato, 3 oz of broccoli, 1 cup of nonfat milk

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If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution