100 points
if a driver gear has 15 teeth and the follower gear has 5 teeth, what would the gear ratio be?

a. 3: 1
b. 1: 3
c. 5: 1
d. 1: 5

Examine the nuclear reacti why is this classified as a nuclear reaction rather than a chemical reaction? it is not balanced. a new compound is formed. a change has occurred in a nucleus. a new element has been formed.

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?

This chart shows characteristics of three different types of waves. which statement is best supported by the information in the chart? wave x and wave y are mechanical waves, and wave z is an electromagnetic wave. wave x and wave y are electromagnetic waves, and wave z is a mechanical wave. wave x and wave z are electromagnetic waves, and wave y is a mechanical wave. wave x and wave z are mechanical waves, and wave y is an electromagnetic wave.