Flow in a stream usually is fastest _______.
a - near the center and slightly below the surface
b - near the mouth
c - during low-flow conditions
d - near the bottom
e - near the sides
a - near the center and slightly below the surface
You might also like to view...
Which of the following statements applies to stratospheric ozone?
A. It is one of the main ingredients of photochemical smog B. It is a health hazard for people with respiratory illnesses C. It protects life from harmful ultraviolet radiation D. It is originally formed in the troposphere
The time scale of climate change
A) is well defined and immutable. B) is difficult to pin down for a wide variety of reasons. C) can be measured and tracked with satellite data. D) is easy to follow because climate changes little in spatial variation.
A watershed is ________
A) an inland basin that connects to another inland basin B) a river that drains into the sea C) the area of land from which rainfall drains into rivers or lakes D) a term used to describe water stored underground
Human population growth rates and economic conditions in countries are related in which of the following ways?
A. Poor countries cannot afford to have very many children. B. Countries with high income have more children. C. Poor countries have higher population growth rates. D. Rich countries can afford to support higher population growth rates.