How much thorium 234 will remain after 3 half lives

Which of the following best explains the difference between climate and weather

You are swimming in the shallow waters along a beach and you notice that your belongings that were sitting on the beach right in front of you are now further down the beach. What type of current has caused you to move

What causes the soils in former rain forests to deplete so quickly after they are used for farming? A. frequent rain B. hot temperatures C. reforestation D. slash-and-burn techniques

Which sentence describes a flat character in a literary text?

Gases take up a lot of space because a. they have weak chemical bonds. b. their molecules have very little attraction for one another. c. they contain very few atoms. d. they have a small molar mass.

Which of the following was a contributing factor to the spread of the Depression around the world?

What determines the size of a mineral crystal formed from magma?

European colonists in the Caribbean build large sugarcane plantation. true or false.

The hypothesis that a single large landmass broke up into smaller landmasses to form the continents, which then drifted to their present location

According to the text, why is "bad" news important for nations?