Einstein’s theory of general relativity describes how space and time are connected. what makes this idea a theory?
a. einstein was a known genius
b. it was supported by observations and evidence
c. two or more people debated it
d. it was about an unknown hypothesis

Around faucet handle is part of a(n) a. lever b. screw c. inclined plane d. wheel and axle

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge

Explain the difference between each pair of concepts. a. frequency and relative frequency b. percentage and relative frequency a. select the correct choice below. a. frequency is the total number of observations in a data set. relative frequency is the number of times a particular distinct value occurs. b. frequency is the number of times a particular distinct value occurs. relative frequency is the ratio of the frequency of a value to the total number of observations. c. frequency is the total number of observations in a data set. relative frequency is the ratio of the number of times a particular distinct value occurs to the frequency. d. frequency is the number of times a particular distinct value occurs. relative frequency is the ratio of the frequency of two different values.