Though energy can change forms, the total amount of energy in the universe remains constant.

True or false

A force rhat causes mass movement is called A. Distance B. gravity C. Weight D. none of the above

Which of the following chemicals is implicated in both global warming and ozone depletion? a. chlorofluorocarbons b. sulfur dioxide c. nicotine d. radon

If a microwave oven emits 1,100 J of energy every second, how long will it take for the microwave to emit 4650 J of energy? Express your answer in seconds using the correct number of significant figures.

Calculate the amount of energy released by the freezing of 13.3 g of water

How would show that lemon and tomato contains acids?

What are 6 abiotic factos from finding nemo?

Which of the following is an element? a. carbon monoxide gas (co) b. magnesium chloride salt (mgcl) c. hydrochloric acid (hcl) d. zinc metal (zn)

Describe the formation of an aqueous KI solution when KI dissolves in water

Which the following countries founded their first permanent settlement in North America: England, the Netherlands, France, and Spain

Why does salt separated from a saltwater solution look different than the salt that dissolved in the water