Infectious disease accounts for ___% of deaths globally
a) almost 50
b) less than 1
c) 30
d) 17
a) almost 50
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Iran was formerly known by what name?
A) Greater Middle East B) Persia C) British Palestine D) Ottoman Empire E) Transjordan
Two of the world's largest ________ deposits were found near Nain, Labrador; and near Sudbury, Ontario
A) Coal B) Copper C) Lead D) Nickel E) Iron Ore
Stratospheric ozone destruction involves a complex series of reactions. These reactions begin with ________
A) UV from sunlight being trapped in the troposphere B) O3 reacting with industrial sulfuric acid C) O3 reacting directly with CFCs D) UV from sunlight causing Cl atoms to break free from CFCs E) UV from sunlight reacting directly with O3
When dealing with solutions which of the following laws is not applicable?
A) law of conservation of energy B) law of conservation of mass C) law of constant composition D) None, all of the above laws are applicable.