Clay's porosity is high, but its permeability is low, which means that it has a low specific yield

Indicate whether this statement is true or false.


Answer: TRUE

Environmental & Atmospheric Sciences

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Which of the following statements is TRUE regarding the population pyramids of Ethiopia and South Africa?


A) There are roughly an equal number of males and females in their 30s in South Africa
B) Ethiopia is growing faster than South Africa
C) South Africa is growing faster than Ethiopia
D) South Africa has a younger population than Ethiopia
E) Women have more children in South Africa than do women in Ethiopia

Environmental & Atmospheric Sciences

What proportion of those polled in a survey of 43 nations expressed approval for the environmental movement?

a. Less than 10% worldwide b. Less than 50% worldwide c. Less than 75% worldwide d. More than 95% worldwide

Environmental & Atmospheric Sciences

Which of the following is NOT a common attenuation mechanism for contaminants in groundwater?

a. dilution (dispersion) b. filtering c. precipitation d. anion exchange

Environmental & Atmospheric Sciences

Physical and cultural geographers see Iceland and Greenland as ________

A) Divided, because the geology of Iceland is the world youngest, and Greenland is the geologically oldest yet discovered B) Divided because the geology of Greenland is the world youngest, and Iceland is the geologically oldest yet discovered C) Undivided, because the geology of both Iceland and Greenland are some of the world's youngest D) Undivided, because the geology of both Iceland and Greenland are the geologically oldest yet discovered

Environmental & Atmospheric Sciences