Important fossils and bones of several hominid species have been found in the Great Rift Valley.
a. true
b. false
a. true
Environmental & Atmospheric Sciences
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Ultrasonic sound waves have relatively
A. low frequencies. B. long wavelengths. C. both of these D. none of the above
Environmental & Atmospheric Sciences
The _______________ is charged with "maintenance of international peace and security."
Fill in the blank(s) with the appropriate word(s).
Environmental & Atmospheric Sciences
The roots of the Vietnam conflict began with the 1858 invasion of Vietnam by which country?
a. United States b. Great Britain c. France d. Portugal e. China
Environmental & Atmospheric Sciences
Animals which eat plants are also known as ________
A) predators B) carnivores C) secondary consumers D) herbivores E) final consumers
Environmental & Atmospheric Sciences