Dinosaurs reached their peak of success at which period?

a. Permian period
b. Triassic period
c. Jurassic period
d. Cretaceous period


Answer: d. Cretaceous period

Environmental & Atmospheric Sciences

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The minimum temperature usually occurs near sunrise because:

A) atmospheric path is longest. B) reflection of solar radiation is a maximum. C) the Sun angle is lowest then. D) Earth experiences a net loss of radiation until then.

Environmental & Atmospheric Sciences

Crude birth rates are measured in terms of the number of children born

A. In a single year B. Per family C. Per 1,000 people in the general population D. Per 1,000 people each year E. Per family per year

Environmental & Atmospheric Sciences

Describe and discuss the marine communities of the Ordovician, Silurian, and Devonian. How do they compare with

present-day marine communities? What will be an ideal response?

Environmental & Atmospheric Sciences

The English-only movement advocates a federal mandate that would require the use of only English in U.S. documents. What are the various positions in this debate?

What will be an ideal response?

Environmental & Atmospheric Sciences