When raising an object vertically, the force required: a. equals mass b. equals weight c. is greater than mass d. is greater than weight

What’s the percent by mass of carbon in c10h14n2

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.

Describe what happens during paper chromatograhy