According to Nostrand, Map 10.4, which of the following is NOT part of the seven states that the Corn Belt covered by 1860?
A. Iowa
B. Indiana
C. Illinois
D. Michigan
E. Ohio
Answer: E. Ohio
Environmental & Atmospheric Sciences
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________ works with the natural topography to reduce soil erosion
Fill in the blank(s) with correct word
Environmental & Atmospheric Sciences
The ammonium ion has the formula NH4+. How many electrons must be shown in the Lewis structure of the ammonium ion?
A) 4 B) 5 C) 8 D) 9
Environmental & Atmospheric Sciences
Earth’s earliest atmosphere was most likely composed of
a. ?water vapor and nitrogen. b. ?carbon dioxide and helium. c. ?hydrogen and helium. d. ?hydrogen and oxygen. e. ?noble gases.
Environmental & Atmospheric Sciences
Downwellings occur at surface convergences.
Answer the following statement true (T) or false (F)
Environmental & Atmospheric Sciences