People learned by trial and error years ago how to paddle a canoe upstream in meandering rivers, knowing where the strongest currents were located
Assuming you don't want to go backwards, what is the best paddling route to maximize your speed upstream?
A) Keep on the outside bends, near the cut banks, as much as possible.
B) Stay on the inside bend of meanders, crossing over whenever the meander turns so you can stay on the inside bend.
C) Stay in midchannel.
D) Always stay close to one bank or the other, regardless of how the river bends.
B
You might also like to view...
The average global surface air temperature since the since the late 1800s has risen by more than ____
a. ?0.2°C b. ?0.4°C c. ?0.5°C d. ?0.8°C e. ?1.2°C
The organisms potentially impacted by ocean acidification are ________.
A. echinoderms B. crustaceans C. mollusks D. coral E. all of these
What does the following element description actually mean?
U
A. a uranium atom with 238 neutrons and 92 protons B. a uranium atom with 92 neutrons and 146 protons C. a uranium atom with 92 protons and 146 neutrons D. a uranium atom with 92 neutrons and 238 protons E. none of the above
Which property tells you the weight of gas compared to air?
a. Specific gravity b. Flash point c. Vapor density d. Vapor pressure