When studying sedimentary rocks, it is important to understand their environment of deposition. What is the environment of deposition and how can it contribute information about the geologic history of the rock?
What will be an ideal response?
Answer: The environment of deposition is the geographic setting where the sediment is accumulating. Each environment of deposition is characterized by a specific set of geologic processes and environmental conditions. An understanding of the environment of deposition provides information about the paleoenvironment.
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What type of cleavage is illustrated in this figure? 
A. three nonperpendicular directions B. three perpendicular directions C. one direction D. two nonperpendicular directions E. two perpendicular directions
The Delaney clause of the FFDCA became increasingly problematic because
A) of the introduction of new pesticides. B) organic farming required the elimination of all traces of pesticides from certified organic products. C) more sensitive analytical chemical techniques could detect previously unknown traces of pesticides. D) humans appear to be more and more sensitive to carcinogenic compounds.
If a country is experiencing a negative net migration rate, then
A) more people are moving to the country than leaving it. B) the number of people leaving the country is equal to the number moving there. C) more people are dying in the country than are being born. D) more people are leaving the country than moving to it. E) a negative net migration rate does not tell us anything.
Which of the following practices will help reduce greenhouse gas emissions?
A) using renewable energy sources B) using technologies that increase carbon in the environment C) reducing energy efficiency D) using nonrenewable energy sources E) using technologies that capture carbon for later release into the atmosphere