An urban planner is designing a new urban housing development in a currently rural area near an existing city. The urban development will have five 10-story apartment buildings, two basketball courts, a playground with permeable foam pavers, a 10-acre green space with a small man-made pond, one 5-story parking deck, and direct access to the mass transit train line. Which of the following will best help to reduce the amount of carbon dioxide released into the atmosphere?
A. The land cleared to build the new development occurs in a rural area rather than within the city limits.
B. The playground is made with permeable foam pavers rather than with impervious concrete.
C. Access to the mass transit train line will provide inhabitants an alternative to driving personal vehicles.
D. Food and other resources must be transported to the development from up to 200 miles away.

B. The playground is made with permeable foam pavers rather than with impervious concrete.

Explanation: Permeable foam pavers will allow water to percolate through the surface hence filtering all the pollutants . The lesser the pollutants the lease the carbon dioxide released to the atmosphere.impervious concrete blocks water from penetrating the ground .

the earth’s crust is broken into separate pieces called tectonic plates (fig. 7.14). recall that the crust is the solid, rocky, outer shell of the planet. it is composed of two distinctly different types of material: the less-dense continental crust and the more-dense oceanic crust. both types of crust rest atop solid, upper mantle material. the upper mantle, in turn, floats on a denser layer of lower mantle that is much like thick molten tar.

each tectonic plate is free-floating and can move independently. earthquakes and volcanoes are the direct result of the movement of tectonic plates at fault lines. the term fault is used to describe the boundary between tectonic plates. most of the earthquakes and volcanoes around the pacific ocean basin—a pattern known as the “ring of fire”—are due to the movement of tectonic plates in this region. other observable results of short-term plate movement include the gradual widening of the great rift lakes in eastern africa and the rising of the himalayan mountain range. the motion of plates can be described in four general patterns:

collision: when two continental plates are shoved together

subduction: when one plate plunges beneath another (fig. 7.15)

spreading: when two plates are pushed apart (fig. 7.15)

transform faulting: when two plates slide past each other (fig. 7.15)

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