River water contributes which ions to the ocean?
A) ?carbon dioxide and oxygen
B) ?hydrogen and oxygen
C) ?calcium and bicarbonate ions
D) ?nitrogen and carbon dioxide
C
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The desert/grassland biome is found primarily where?
A) along the Equator B) in polar latitudes C) along coastal regions in tropical regions of the world D) in lower to mid-latitudes in both hemispheres E) exclusively in Africa and Asia
Which of the following is a source of groundwater contamination?
A. ponds on the surface that store liquid waste. B. the use of fertilizer and pesticides. C. septic tanks. D. All of these are correct.
Which of the following forms of mass wasting involves the slow, down slope movement of individual soil and rock particles?
A. fall B. flow C. creep D. slump E. slide
Exfoliation (pressure-release jointing )is an examples of ________ weathering processes
A) only chemical B) only biological C) only physical D) both biological and physical E) both biological and chemical