Using water more effectively a. protects the environment b. causes the loss of natural pollution filters c. increases with contamination d. all of the above

An adult who follows a 2000-kcal healthy u.s.-style eating pattern should consume ounce-equivalents from the protein foods group per day.

Which phrases describe an extrusive rock? check all that apply. fine texture cooled slowly small crystal size found deep underground different, easily observed minerals

Explain why ecosystem diversity results in species diversity in a healthy biosphere