As Climate Change Leads to Drier and Drier Summers in the Southeastern

question 5

Multiple Choice

As climate change leads to drier and drier summers in the southeastern United States, more and more homeowners find that they have crabgrass growing in their yards. The reason for this is that

• A) crabgrass is a type of cactus, so it grows better in dry climates.
• B) as the climate changes, homeowners are not caring for their yards as well.
• C) crabgrass is a tropical plant that likes hot, dry climates.
• D) crabgrass is a type of C ₃ plant that does well in dry climates.
• E) crabgrass is a type of C ₄ plant that does well in dry climates.

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Definitions:

Subduction Zone

A region where one tectonic plate moves under another, leading to volcanic activity and earthquakes.

Lithosphere

The rigid outer layer of the Earth, consisting of the crust and the uppermost part of the mantle, directly involved in plate tectonics and continental drift.

Asthenosphere

A region of the upper mantle of the Earth, below the lithosphere, where rocks are relatively soft and can flow slowly.

Oceanic Fracture Zone

Crack or step in elevation of the seafloor that formed as a transform fault along a mid-ocean ridge but is no longer a plate boundary.