Sea caves form from waves breaking on a cliff and eroding the rock. Is this a physical or chemical change? [No Links]

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.

Select the word from the list that best fits the definition the nuclear family into which a person is born or adopted.

Which of the following is a physical property flammability heat of combustion solubility and toxicity