What three general characteristics account for the density differences among the concentric layers of Earth?
Earth consists of three concentric layers: the core, the mantle, and the crust. This orderly division results from density differences between the layers as a function of variations in composition, temperature, and pressure.
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Explain why strong upper-level divergence causes the pressure in the centre of a surface low to decrease.
What will be an ideal response?
What is the world's fastest growing way to produce electricity?
A. hydroelectric energy B. solar cells C. geothermal energy D. nuclear energy E. hydrogen cells
Severe pollution conditions tend to develop during periods of low pressure systems
Indicate whether the statement is true or false
Pat and Terry are considering moving from near the center of a large city into the suburbs. Which of the following discussion points is valid?
A) If they stay in the city, they will contribute more to local pollution. B) They'll experience more stress if they move to the suburbs. C) It will be easier to have a place for a vegetable garden if they move to the suburbs. D) If they move to the suburbs, it will cost much less for transportation. E) If they stay in the city, they'll probably get less exercise.