What goal does taxonomy accomplish? OPTIONS:
- explains the differences between living organisms
- classifies living organisms into groups
- predicts the types of undiscovered organisms
- establishes relationships of organisms with their habitats
A: classifies living organisms into groups

Which correctly arranges three scientific terms-theory, law, and hypothesis-from least to most accepted or tested? OPTIONS:
- theory, hypothesis, law
- hypothesis, law, theory
- theory, law, hypothesis
- hypothesis, theory, law
A: hypothesis, theory, law

Most stars are similar to each other in OPTIONS:
- brightness.
- composition.
- diameter.
- temperature.
A: composition.

Which rapid changes are caused by heat from inside Earth? OPTIONS:
- landslides
- volcanoes
- avalanches
- floods
A:
volcanoes