Which sugar is the starting material used by plants to synthesize vitamin C?
A) D-fructose
B) L-fructose
C) D-glucose
D) L-glucose
C
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During Phase 3 of migration to the U.S. (1870 -1920), where did the majority of immigrants come from?
A) England and Africa
B) Ireland and Germany
C) Southern and Eastern Europe
D) Canada and Latin America
E) Latin America and Asia
A(n) ____ is an explanation that can be tested by additional observations or controlled experiments
a. question b. science c. hypothesis d. scientific method
Frost forms when ____
A) conditions are cold, cloudy, and windy B) the dew point is 32°F or below C) the dew point is above 32°F D) dew freezes
Which of the following factors control how minerals weather?
A. whether the mineral has ionic or covalent bonds B. whether a mineral typically crystallizes early or late in Bowen's Reaction Series C. the temperature at which the original minerals formed D. what type of mineral is present E. All of these choices are correct.