Genes are located in which type of molecules?
A) DNA
B) histones
C) proteins
D) RNA
A
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Layers of ________ tell us about the rivers and seas in which the sediment accumulated
A) igneous rocks B) sedimentary rocks C) metamorphic rocks D) volcanic ask E) none of these answer choices are correct.
How do geologists know that diamond is the hardest mineral?
A) They conduct molecular analyses. B) They conduct a crush test. C) They conduct a scratch test. D) They conduct a streak test.
What are windblown deposits of silt and clay called?
A)dunes B)loess C)ventifacts D)yardangs E)till
Madagascar's age-structure diagram ________
A) reflects unequal distribution of males and females at all age groups B) reflects a "baby boom" in the early 1980s C) looks like an urn, with narrow base and an expanded apex D) reflects a population with a high growth rate E) reflects an aging population