What texture is displayed by the igneous rock in this photograph?





A) Vesicles

B) Breccia

C) Porphyritic

D) Glassy

E) None of these are correct.




C) Porphyritic

Environmental & Atmospheric Sciences

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What type of ocean wave has a disturbing force of sudden changes in atmospheric pressure?

A) Seiche waves B) Capillary waves C) Wind waves D) Tidal waves

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A good heat conductor is a

A. poor insulator. B. good insulator. C. neither of these D. not enough information

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What is potable water?

A) water suitable for drinking B) high-salinity water C) nutrient-rich water D) water in a swift current

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The boreal forests are also known as the ____

a. taiga b. tundra c. savanna d. chaparral e. rainforest

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