Beach property owners want to protect their beaches by building groins, seawalls, jetties, and other features. The problem with these measures is:
a. they are not expensive to maintain
b. they often cause problems for other people.
c. they are not expensive to build.
d. they are easily eroded away.
b
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You are asked to prepare a preliminary map that shows land parcels in a county that meet the following two criteria: (1) within 300 meters of streams, and (2) located in a conservation priority area. You are given two digital maps for the study area: one showing streams and the other showing the priority areas. Describe the procedure that you will use to complete the task.
What will be an ideal response?
The mantle can be separated into two different portions—the lower mantle and the upper mantle. The lower mantle is
A) completely solid due to extreme pressure that prevents rocks from melting. B) composed of putty that flows like molasses. C) rigid and cannot flow. D) predominantly liquid.
What is albedo? How does it influence climate?
What will be an ideal response?
What adverse effect is common to nitrogen dioxide and sulfur dioxide?
A) production of acid rain B) lung irritation C) damage to substances such as rubber, paint, and textiles D) direct damage to plant tissues