Subduction and formation of etionary wedge arc Forearc basin Magma chambers Tren

Question

Subduction and formation of etionary wedge arc Forearc basin Magma chambers Trench Pluton Subduct What type of plate boundary is illustrated in the above figure? a) ocean-ocean convergent b) ocean-continent convergent c) continent-continent convergent d) divergent e) transform 13. True or false: The Earth is elosest to the Sun during the month of July. a) True. b) False. 14. The orderly internal arrangement of atoms that make up a mineral is reflected in the regularly-shaped objects called a) cleavage b) fractures c) boundaries d) crystals Silicate minerals such as pyroxene and hormblende form elongated of tetrahedral. a) chains b) sheets c) networks 15. 16. True or false: The most abundant element in the entire Earth is iron a) True. b) False Page 3 of 10

Explanation / Answer

ANSWERS

12. (a) ocean-ocean convergent

Subduction zones are present on the convergent plate boundaries, where a plate of Ocean lithosphere combines with another plate.

13. False

Earth is closest to the sun every year in early January when it's winter for the Northern Hemisphere and farthest away from the sun in early July, during our Northern Hemisphere summer.

14. (d) crystals

Atoms in a mineral are organized into an organized 'atomic structure'. They join together to form molecules, and molecules are stacked together to form a crystal in a regular pattern. The size of a crystal depends on which the molecules are placed inside it.

15. (a) chain

16. false

oxygen is most abundant element about 46.6%

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