What typically happens to the gradient of a river from its headwaters to its base?
A. It disappears.
B. It decreases.
C. It increases.
D. It first decreases and then increases.
E. It doesn't change.
Answer: B
You might also like to view...
Farmers in LDCs choose to grow drug crops for export primarily because of
A) their market value in MDCs. B) their proximity to local markets. C) their inability to grow maize. D) their disdain for the freedoms enjoyed by developed countries. E) their desire to fund terrorist organizations.
In terms of competence, if the velocity of the stream triples, the impact force of the water will increase ________ times
A) two B) three C) nine D) eighteen
The maximum tidal range happens during ________ tides
A) fall B) neap C) spring D) summer E) winter
If 100 cups of strong coffee contain a lethal dose of caffeine, why don't coffee drinkers eventually die from caffeine overdose?
A. Coffee drinkers who drink more than 100 cups of coffee a month will eventually die from the bioaccumulation. B. Our bodies metabolize the caffeine before lethal concentrations are reached. C. Once the coffee cools, the caffeine is not as strong as it was when the coffee was fresh. D. Because of its molecular form, all of the caffeine is not actually absorbed into the body. E. Coffee drinkers who drink more than 100 cups of coffee a week will eventually die from the bioaccumulation.