Which phrase describes a solution?

A. a homogeneous mixture

B. a graduated substance

C. a heterogeneous mixture

D. a primary mixture of elements

Which is true of chemicals? a. things containing chemicals always cost a lot of money. b. chemicals are never dangerous. c. chemicals are in many substances in a home. d. chemicals are rarely found on earth.

What is the ima of the 1 st class lever in the graphic given? 2 3 0.5

Which of the following electromagnetic waves can create ions?