Find the percent of change from 500 oz to 800 oz

Roosevelt's position on conversation and the environment are the best characterized as

The table below shows the half-life of an element: Half-Life Data Element Half-Life Uranium-235 700 million years Scientists have found that the Uranium-235 content of an unknown prehistoric sample was reduced to one-fourth.

Which of the following statements best describes what is occurring in the land surrounding the Sahara Desert? A. Desertification is increasing, and the desert is expanding. B. Fewer people are trying to farm in this semiarid region. C.

One major economic benefit of the natural harbors of the Northeast is that they provide

Which geographical feature, made or large treeless areas and tall grass, can be found in the Great Plains of the U. S.?

A soil that is 30%clay, 7% organic matter will have an estimated CEC of what? A. 37 B. 38 C. 210 D. 254

Which of the following is not usually an effect of increased agricultural yields within a society? A. decreased trade with outside societies B. a growing population size C. increased technology and sophistication of settlements D.

How much did the U. S government allocate (set aside) for cash payouts to U. S citizens and what were the 2 payouts?

How is a city different from a town?

What is export value