How does a doughnut hose roll differ from a straight hose roll?
a. the female coupling is on the outside
b. both couplings are in the middle
c. the two couplings are connected
d. both couplings are on the outside
Answer: d. both couplings are on the outside
You might also like to view...
River water contributes which ions to the ocean?
A) ?carbon dioxide and oxygen B) ?hydrogen and oxygen C) ?calcium and bicarbonate ions D) ?nitrogen and carbon dioxide
Between 1988 and 2014 the number of U.S. landfills has decreased significantly because
A) of increased recycling and increases in the size of landfills. B) the total amount of MSW produced in the U.S. has decreased by about 50%. C) increasing amounts of MSW are burned, reducing the need to bury it. D) increasing amounts of MSW are being used to manufacture biogas.
What is the basic building block of matter?
A. molecules B. compounds C. ions D. atoms E. minerals
Manatees are members of which of the following orders?
A) Carnivora B) Cetacea C) Chiroptera D) Rhenanida E) Sirenia