A rock climber is at rest by clinging her hands and feet to a sheer rock surface. The combined forces of friction acting on her
A. equal her weight.
B. are less than her weight.
C. exceed her weight.
D. not enough information
Answer: A
You might also like to view...
Hot spots move with continental plates
a. True b. False
The English spoken in Minnesota and the English spoken in Australia can best be characterized as two different
A) dialects.
B) language families.
C) language groups.
D) languages.
E) language branches.
DDT is a
A. Natural organic pesticide B. Organophosphate C. Chlorinated hydrocarbon (organochloride) D. Carbamate E. Chlorinated inorganic pesticide
As in the tropics, soils in ____ climates tend to have limited fertility because of rapid removal of soluble nutrients
a. humid subtropical b. subarctic c. marine west coast d. humid continental, hot summer e. humid continental, mild summer