Which disease transmitted by the tsetse fly affects cattle?
a. malaria
b. nagana
c. HIV
d. AIDS
e. tuberculosis
b
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Cinder cones rarely reach heights greater than ____________________; they are composed of
____________________ material of ____________________ composition. Fill in the blank(s) with the appropriate word(s).
Discuss an example of a bulk-reducing (or weight-reducing) industry that you believe will face severe economic or environmental difficulties in the near future. What could be done to improve the outlook for that industry? How and why?
What will be an ideal response?
Agricultural runoff consists of a mixture of compounds that serve as nutrients. The two primary nutrients are ________ and ________.
A. nitrogen; sulfur B. nitrogen; phosphorus C. nitrogen; oxygen D. nitrogen; carbon
Because water is 13.6 times less dense than mercury, an atmospheric pressure of 76 cm (30 in.) of mercury would be equivalent to 1034 cm (408 in.) of water. Therefore, a water barometer resting on the ground near sea level would have to be read from a ladder over ____ tall.?
a. 5 m (16 ft) b. ?10 m (33 ft) c. ?15 m (49 ft) d. ?20 m (66 ft) e. ?25 m (82 ft)