Acontrol is a
a. variable that changes during an experiment.
b. standard for comparison.
c. type of dependent variable.
d. type of experiment.

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.

Write a full page that sumerizes thermodynamics it’s from the website visionlearnig

Which planet do you think would be easiest for humans to colonize some day?