Rheology is best described as the study of . a.
the flow of matter
b.
the Earth’s crust
c.
magma
d.
the Earth’s core

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.