Natural gas provides approximately how much of the energy generated in the United States? A. One-fifth
B. One-eighth
C. One-third
D. One-half

What type of competition exsist between two species. turtles and fish

7. describe two strategies that parents can use to cope with stress. 8. describe the three types of childcare available to families. 9. what can parents do to be more involved in their children's education at home and at school? 10. which factors should a parent consider when choosing a childcare option?

Compare the parts of a cell and the cell as a whole to another common nonliving system (i.e., a car, a city, describe the parts of a cell and their primary function.