What type of substance would salt water be classified as?
select all that apply.
a. heterogeneous mixture
b. homogeneous mixture
c. colloid
d. solution
e. suspension

Type the letter that represents the correct location for each particle type below.

What happened to the amount of carbon dioxide in the atmosphere from 2010–2017?

One way that radioactive waste is treated is by burying it in repositories. the repositories are found only in states with very low populations. true or false? a. trueb. false(also i meant to put high school but it put down middle school instead)