The oldest fossilized remains of organisms are primitive ________ bacteria recovered from rocks formed on the sea floor about 3.5 billion years ago
A) photosynthetic
B) chemosynthetic
C) heterotrophic
D) streptococcus
A
Environmental & Atmospheric Sciences
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What is the primary origin of most neritic sediments?
a. calcareous b. terrigenous c. hydrogenous d. cosmogenous
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Which of the following rocks would you expect to have the lowest permeability?
A) poorly-sorted uncemented sand B) poorly-sorted cemented sand C) well-sorted cemented sand D) well-sorted uncemented sand
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Job growth in the geographic sciences has stagnated in the past 15 years
a. True b. False Indicate whether the statement is true or false
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Most seamounts are active volcanoes.
Answer the following statement true (T) or false (F)
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