The skeletons of tiny ocean animals grow together to form structures that are found only in warm, clear ocean water.

Adisadvantage of adding a vegetarian hot-food option to a school lunch menu is that it would a. force all students to change their diets. b. eliminate a meat option from the menu. c. only some students on special diets. d. increase the amount of food that is wasted.

How do convection currents form underwater mountains?

In the late 1990s, brazil’s poor people protested about crowded cities land distribution mining permits industrial pollution