Which compound is composed of oppositely charged ions? A. SCl2
B. Li20
C. OF 2
D. PH3

An asteroid is discovered in a nearly circular orbit around the sun, with an orbital radius that is 2.47 times earth's. what is the asteroid's orbital period, its "year," in terms of earth years?

What is the primary force that suspension bridges use cables to hold their spans up? a. tension force b. resistance force c. normal force d. elastic force e. applied force

How do the kidneys affect homeostasis