Briefly discuss the giant African snail scenario in Brazil
What will be an ideal response
In 1988, a giant African snail was imported into Brazil as a substitute for conventional escargot. When export prices for escargot fell, breeders dumped these snails in natural systems in Brazil. It is now widespread in Brazil and devours native plants and food crops. It also can carry rat lungworm, which causes meningitis in humans and it carries another parasite that can rupture human intestines. So far, the snail has been unstoppable.
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Glider A of mass of 1 kg and speed 1 m/s on a friction-free air track collides with a 5-kg glider B at rest. For an inelastic collision the combined-glider speed will be
A. 1/5 m/s. B. 1/4 m/s. C. 1/6 m/s. D. 1 m/s.
The most important source rocks for fuels we use today are igneous rocks
a. True b. False
The first major transgression onto the North American continent is recorded in rocks of the
_______ Sequence. Fill in the blank(s) with the appropriate word(s).
At the 2008 Olympics the Ethiopian runner Kenisa Bekele won 1.00 x 10^4 meter run in 27 minutes, 1.17 seconds. What is this speed in miles per hour? [1 mile = 1.609 km]
A) 1.38 mph B) 2.30 mph C) 12.3 mph D) 13.8 mph