You are walking down a straight road at 2.5 miles/hour. This does not change. Are the forces on you balanced or unbalanced? Explain your answer.

What is thought to have caused the mass extinction at the end of the cretaceous period?

Which of the following statements about protists are true? a. they are typically found in moist environments. b. they are all unicellular. c. they have a nucleus. d. they are all multicellular.

Pl as time goes by and water goes through the water cycle again and again, the amount of water on earth: increases decreases ostays the same goes up and down