Which two inner planets have water in the form of ice?

a) mercury and mars

b) mercury and earth

c) venus and mercury

d) mars and earth

Scientists often have to deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each number in an alternate form.

What is calcium oxide+diphosphorus pentoxide--> calcium phosphate balanced

Concentrations expressed as a percent by mass are useful when the solute is a a. liquid b. gas c. solid