Desertification Will typically increase the amount of erosion in an area Does not have any effect on the level of vegetation Decreases the amount of salt in the soil Increases the ability of the land to support life

A radio station asks its listeners to call in their opinion regarding the closing of fire stations in the city. Identify the sampling method used, and explain why this sample could be biased.

How does a closet Lake differ from an open Lake

How far is the earth from the moon?

Can scientists predict earthquakes now? yes, scientist can predict an earthquake right before it occurs, but not enough time to save lives yes, however, they cannot predict the magnitude no, scientists can only look for early warning signs yes, they

When was the amazon forest burning

Which of the following is true about ecosystems?

1. When governments seek a favorable trade balance, they want A to raise taxes on exports B imports to equal exports C to export more than they import D to import more than they export

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3) Which of the following may move and cause an earthquake to occur? A: Asthenosphere B: Lithosphere C: Plate D: Mantle

What statement best describes the relationship between power and authority? A. Authority is a type of power used only in democracies. B. Authority is the ability to use power legitimately. C.