What is an atomic theory? A. An idea about what atoms are like
B. A prediction about nuclear reactions
C. A theory about how atoms first came to be
D. A theory about gravity

Scientists often 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 of these numbers in an alternate form.