What effect do carbon dioxide and methane have on earth's temperature a. they trap heat in the atmosphere? b. they release heat from the atmosphere . c. they black beat from entering the ocean. d. they block heat from reaching earth's surface.

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

The graph below compares the rates of reaction of a burning candle and an exploding firework. comparing chemical reactions what can you conclude from the graph? the reaction that causes a firework to explode requires less energy to start, and occurs more rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires less energy to start, and occurs less rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires more energy to start, and occurs less rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires more energy to start, and occurs more rapidly than the reaction that causes a candle to burn. mark this and return

What is a group of organisms that are closely related and share similar characteristics