A physically fit person can meet the physical demands of daily life, including physical activities and sports. 

An estimated ________ of wetlands worldwide have been destroyed in the past century.

Electrolytes are ions that conduct electricity.

Atoms that have lost or gained one or more electrons are called ________.

People who exercise regularly can reduce their risk of cardiovascular disease.

Which of the following is not a feature of a barrier island?

Which of the following is not a hard stabilization option?

Which of the following substances is a disaccharide?

Where are the thickest marine sediments located?

Which of the following is a feature of an emerging shoreline?