An intervening opportunity is an example of a

A. push factor

B. pull factor

C. low standard of living

D. destination for periodic migration

Why do rich countries produce the most carbon dioxide?

Which of the following is the main benefit of ozone? A. reduces pollution levels B. absorbs ultraviolet radiation from the Sun C. filters particulates from the atmosphere D. neutralizes the effects of carbon monoxide

How can the flow of energy out of a planet's interior affect its surface and atmosphere? a. In flowing outward, heat can cause convection currents in the mantle. These drive plate motions, quakes, faults, volcanism, mountain-building, etc. b.

Explain why earth and other planets were not solid when they find one there in the beginning of the parade Cambridge him approximately 4 million 600 million years ago what was this particular time call and wise this time.

Which nations have negative population growth? A) less-developed countries (LDCs) B) more-developed countries (MDCs)

What is the biggest problem facing the Chesapeake Bay and Puget Sound?

What aspects of Latin American culture have most been influenced by the European colonization of the past?

Two different species of organism occupy the same niche. Which of the following scenarios will occur? a. The two species will live in harmony. b. One species will out compete the other species. c.

Sort the characteristics based on whether they describe mass wasting, tsunamis, or both. 1. It can be triggered by tectonic plate movement. 2. The name means "harbor wave." 3. It's movement of land triggered by gravity. 4.

Some students confuse adaptation with adapting. Clarify the misconception.