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______________ consist of metal ions covalently bonded with oxygen

Convection is best described as

These volcanoes are located at active plate boundaries created by volcanism at mid-ocean ridges, subduction zones, and continental rifts

Which type of boundaries occur where two or more plates move toward each other

This type of weathering can occur through pressure or ice expansion

Chert is defined as a fine-grained version of silica deposited with or without microfossils.

Which of the following is the outermost physical layer of the earth?

Mineral chimneys that form at hydrothermal vents are often called black smokers.

If a sequence of one strand of DNA is 5′-TGACTATC-3′, what is the complementary strand?

Identify the structure indicated by red arrows in the image below.