In the U.S., the rate of new inventions and granted patents began to decline in which decade?

A) 1960
B) 1970
C) 1980
D) 1990
E) 2000


B

Environmental & Atmospheric Sciences

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On which Japanese-controlled island does the United States maintain several military bases?

A) Okinawa B) Hokkaido C) Kuril Islands D) Taiwan E) Senkaku/Diaoyu

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Ecosystems contain organic elements only

Indicate whether the statement is true or false.

Environmental & Atmospheric Sciences

About 49% of the Earth's surface is covered by water.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences

In the diagram below the "steno" species is represented by the



A) green line.
B) black line.

Environmental & Atmospheric Sciences