Dinosaurs are examples of ____

a. fish
b. invertebrates
c. amphibians
d. reptiles
e. mammals


d

Environmental & Atmospheric Sciences

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A study of jet contrails following the grounding of commercial flights after the September 11, 2001 terrorist attacks found that

A) contrails have a very limited effect on the Earth's energy budget. B) contrails reduce diurnal temperature ranges in regions with a high density aircraft. C) contrails contribute more to cloud-albedo forcing than cloud-greenhouse forcing. D) contrails are difficult to distinguish from natural cirrus clouds.

Environmental & Atmospheric Sciences

The Cordilleran orogeny was distinguished by three phases: ________ orogeny, ________

orogeny, and _________ orogeny. Fill in the blank(s) with the appropriate word(s).

Environmental & Atmospheric Sciences

The atomic number is equal to the number of ____.

A. atoms in a molecule B. protons in an atom C. neutrons in a molecule D. electrons in an atom E. protons, electrons, and neutrons in an atom

Environmental & Atmospheric Sciences

The traits that characterized the now generally rejected classification of ________ are not place specific

A) ethnicity B) race C) nationality D) citizenship E) voting rights

Environmental & Atmospheric Sciences