List three sedimentary structures and explain what each one indicates about the depositional environment
What will be an ideal response?
Bedding/ stratification: changes in depositional processes; Mud cracks: desiccation; Graded beds: changes in current strength.
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On world maps of religion like the one in our text, Central and South America are represented as Roman Catholic and
A) Muslim. B) Protestant. C) Eastern Orthodox. D) Buddhist. E) local religions.
True or False: All major rock forming minerals are silicates
Indicate whether this statement is true or false.
Changes in the Earth's magnetic field have occurred throughout geologic time, and these are called
magnetic reversals Indicate whether the statement is true or false.
If a column of air is heated, it will:
A) have a lower pressure at its base. B) become more dense. C) have a smaller vertical pressure gradient. D) contract.