Time is relative, what does that mean?

Ahypothesis is? close agreement by competent observers of observations of the same phenomena. a guess that has been tested over and over again and always found to be true. an educated guess that has yet to be proven by experiment. the long side of a right triangle. a synthesis of a large collection of information that includes guesses.

Describe uniform velocity and variable velocity in short

The ph is the a. independent variable b. the dependent variable c. control group