Rare earth elements and their extraction are
A) used in making fertilizers and pesticides.
B) not considered serious health risks.
C) strictly regulated by Chinese environmental laws.
D) hazardous to extract, a problem that is increased because of the strong global demand.
D
You might also like to view...
The stability of the air layer close to the earth's surface can vary markedly. Much of this variation is caused by:
A) changes in wind direction. B) changes in wind speed. C) changes in pressure. D) changes in heating or cooling of the surface.
What is the birthplace of capitalism?
A) Constantinople (Istanbul) B) Greece C) Iberia D) northern Italy E) western Ireland
In a mid-latitude cyclone, when upper-level divergence of air above a surface low pressure area is stronger than the convergence of surface air (more air is taken out at the top than is brought in at the bottom), the surface pressure will ____________________ and the storm itself will ____________________
Fill in the blank with correct word.
The values that shape the layout and design of Islamic cities derive from
A) Greek culture. B) Roman culture. C) the Qur'an. D) the various peoples conquered by Muslims in the eighth and ninth centuries. E) Islamic fundamentalists.