c____________ are generally soft-bodied animals that lack a rigid internal skeleton for the attachment of muscles, but
many possess some sort of hard, protective outer covering. Fill in the blank(s) with the appropriate word(s).
Invertebrates
Environmental & Atmospheric Sciences
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Shields are the exposed portions of cratons that contain igneous and metamorphic rocks
a. True b. False
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What is the difference between prokaryotes and eukaryotes? Which are seen first in the fossil record?
What will be an ideal response?
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Evaluate which energy sources holds the most promise for the Middle East and North Africa
What will be an ideal response?
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Which of the following factors would NOT be successful in stabilizing a slope that has already failed?
a. excavate slumped material from the base of the slope b. install subsurface drains c. construct a retaining wall d. decrease the slope angle
Environmental & Atmospheric Sciences