China currently supplies about 90 of which of the following resources?
A) Gas hydrates
B) Manganese nodules and crusts
C) Phosphorite
D) Rare-earth elements
E) Sand and gravel
Question 2
Judge the following sentence according to the criteria given below: The Earth's longest mountain chain called the mid-ocean ridge differs from mountain chains on land BECAUSE along most of its crest it contains a central downdropped rift valley.
A) The assertion and the reason are both correct, and the reason is valid.
B) The assertion and the reason are both correct, but the reason is invalid.
C) The assertion is correct, but the reason is incorrect.
D) The assertion is incorrect, but the reason is correct.
E) Both the assertion and the reason are incorrect.
Dam in China
Many Natural Resources Can Be Sustained
Glass pedestrian bridge in Zhangjiajie’s Grand Canyon, China
Social Conditions in China
Minerals are nonrenewable resources in limited supply