The left-most block of wood is like a mountain range on Earth in that it
A) is composed of less dense materials and is a thick block (crust) compared to other blocks (land areas on Earth).
B) is composed of more dense materials and is a thick block (crust) compared to other blocks (land areas on Earth).
C) is over a part of the Earth where the mantle is unusually thin.
D) is underlain by ocean.
A) is composed of less dense materials and is a thick block (crust) compared to other blocks (land areas on Earth).
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The Kurds do not have their own nation-state, but in which of the following countries have they set up many of their own governmental structures and express the greatest autonomy?
A. Iran B. Iraq C. Turkey D. Syria
One significant difference between an ionic bond, where electrons are taken from one atom and added to another atom, and a covalent or metallic bond, where electrons are shared, is ________
A) ionic bonds make a material more malleable than covalent and metallic bonds B) ionic bonds are stronger than covalent or metallic bonds C) ionic bonds produce ions but covalent and metallic bonds do not produce ions D) ionic bonds do not result in the attraction of oppositely charged atoms, but covalent and metallic bonds do
Which of the following kingdoms include various types of marine algae and single-celled organisms called protozoa?
A) Archaebacteria B) Eubacteria C) Fungi D) Plantae E) Protista
In which of the following places on Earth has the local environment's capacity to support its human population been exceeded most seriously?
A) India B) Australia C) Western North America D) Southern Africa