Foliated metamorphic rocks are further classified on the basis of what observable properties? What will be an ideal response?
Foliated rocks are classified by the size and shape of their mineral grains.
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Earth's crust moves because
A. the continental crust floats on the oceanic crust. B. the mantle is below the crust. C. the mantle is very hot and flows from internal convection. D. part of the mantle is hot enough to flow as a plastic solid.
Dung beetles live in regions where cattle graze, quickly burying and recycling cattle droppings
Because of the dung beetle's activities, breeding habitats and resources for disease-carrying flies are reduced, and the plants upon which cattle feed are nourished. The relationship between the dung beetles and the cattle is a type of ________. A) mutualism B) intraspecific competition C) parasitism D) interspecific competition
The deposition of soil components by gravitational water percolating downward is called ______________
Fill in the blank(s) with correct word
Environmentalism stemming from the publication of Rachel Carson's Silent Spring differed from earlier North American conservation perspectives by
A. Emphasizing international problems B. Emphasizing the value of natural resources C. Encouraging energy efficiency D. Focusing on human population growth E. Placing more emphasis on pollution problems