ans D. Substance B has a greater latent heat of vaporization than substance A.
Answer:
The work done by the frictional force is 600J.
Explanation:
The work 
done by the frictional force is
.
Now, 
and 
; therefore,
Hence, the work done by friction is 660J.
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The answer is A. Deformation is where the object doesnt return to its original shape.
Answer:
Because of the location, humidity and temperatures.
Explanation:
Coca is grown in humid and very humid subtropical forests, called yungas and
they form the lower floor of the upper Jungle, in the Central Andes, mostly in Peru and Bolivia. The yungas are in contact with the rainforests of the lowlands in Amazonia, where it has been started to expand coca cultivation recently (Dourojeanni, 1988). The optimum altitude is 1000 a 2000 meters (where cocaine content is higher), with optimal annual average precipitation, is 2000 meters mm, but it is grown between 700 and 2000 msnm and with an average annual rainfall of 1000 to 4200 mm.
msnm = meters above sea level
