Today, most immigrants to Australia come from
A. Britain
B. Continental Northwestern Europe
C. Asia
D. The United States
C. Asia
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What countries comprise the Maghreb of Southwest Asia/North Africa?
A) Algeria, Libya, Egypt B) Libya, Egypt, Tunisia C) Western Sahara, Algeria, Libya D) Morocco, Algeria, Tunisia E) Tunisia, Libya, Egypt
When lightning strikes, nitrogen molecules, N2, and oxygen molecules, O2, in the air react to form nitrates, NO3-, which come down in the rain to help fertilize the soil. Is this this an example of oxidation or reduction?
A) The formation of nitrates is an example of oxidation. B) The formation of nitrates is an example of reduction. C) Both. The nitrogen is oxidized as it reacts with the oxygen while the oxygen is reduced. D) Neither. Although the bonds of both the N2 and O2 molecules are broken to form the NO3-, neither oxidation nor reduction occurs.
________ is the study of mineral materials
A) Mineralogy B) Lithology C) Mineralosophy D) Historical Geology
What species was intentionally introduced into the United States?
A. kudzu B. gypsy moth C. zebra mussel D. brown tree snake E. common pigeon