The boundaries between sedimentary rocks that represent separate depositional events are called ____
a. foliations
b. regoliths
c. outcrops
d. rock cycles
e. bedding planes
e
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The loss of volatile elements in organic material, leaving only a thin dark film behind, is the
process of _______. Fill in the blank(s) with the appropriate word(s).
How old is the Precambrian Crust?
A) 0-500 million years B) 500 million-1 billion years C) 500 million-1.5 billion years D) 1 billion-4 billion years
Mahogany is a tree found in the tropical rain forests of Central and South America. Mahogany lumber is prized for its beauty, durability, and color
Overharvesting of mahogany has led to the tree being classified as threatened, and there are international laws banning its harvest and trade. Although an anthropocentrist, biocentrist, and ecocentrist might all agree that it is important to protect mahogany trees, they would disagree on the reasons for doing so. Explain how they would differ in their reasoning.
The creation of many glacial lakes during the Pleistocene is labeled a(n) ________ development
A) random B) insignificant C) aeolian D) pluvial E) fluvial