The _____ Period is known for the explosion of multicellular hard-shelled lifeforms such as trilobites.
A) Permian
B) Pleistocene
C) Triassic
D) Cambrian
Answer: D) Cambrian
Environmental & Atmospheric Sciences
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The new National Standard for Spatial Data Accuracy (NSSDA) does not stipulate threshold accuracy values that GIS data producers must achieve.
Answer the following statement true (T) or false (F)
Environmental & Atmospheric Sciences
Who set out to explore worldwide wind and current patterns for commercial and naval purposes?
A) Charles Wilkes B) Benjamin Franklin C) Tim Folger D) Matthew Maury
Environmental & Atmospheric Sciences
The aquatic ________ were porpoise-like reptiles, which probably gave birth to live young. Fill in the blank(s) with the appropriate word(s)
Environmental & Atmospheric Sciences
What are the MDGs? Where did they come from? Cite an example of one goal and the target used to measure progress in attaining it
What will be an ideal response?
Environmental & Atmospheric Sciences