Select all that apply. carbohydrates
1. in the body are primarily fats
2. are primarily sugars and starches
3. are the most readily available source of energy for organisms
4. are the largest of the four main biological macromolecules

Why might surface mining be less risky for miners than underground mining? a. surface miners can become trapped in a collapsed mine. b. surface miners work in dusty, enclosed areas. c. surface miners work aboveground. d. surface miners use elevators to enter mines.

Most of the fossils found in virginia are in the coastal plain, valley, ridge, and appalachian plateau regions, best suggesting that these geographic provinces a) were once covered by seawater. b) are the oldest parts of virginia. c) have a great deal of karst topography. d) have large amounts of sedimentary rock.

What characteristic make legumes a good food source for food insecure populations