The planets stay in orbit around the Sun because of a balance between ________ and ________
Fill in the blank(s) with correct word
inertia; gravity
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The two main geographic areas in which the tundra biome exists are
A) in the coastal northern margins of the Northern Hemisphere and on the tops of the highest mountains. B) in the coastal northern margins of the Southern Hemisphere and on the tops of the highest mountains. C) in Antarctica and Greenland. D) in central Canada and inland Siberia.
Which type of radiation—alpha, beta, or gamma—results in the greatest change in atomic mass number?
A) alpha radiation B) beta radiation C) gamma radiation D) They all result in the same change in atomic mass number.
Topology rules in ArcGIS can only be applied to feature classes in a feature dataset.
Answer the following statement true (T) or false (F)
Most of the world's aluminum comes from which of the following?
a. quartz b. bauxite c. hematite d. plagioclase e. basalt