A ________ is a layer of sedimentary rock with a vertical change in particle size, usually from coarse at the bottom to fine at the top.
A. graded bed
B. sorted bed
C. schist
D. cross bed
E. patterned bed
Answer: A
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Urban development such as building roads, parking lots, buildings, and sidewalks reduces the recharge of groundwater.
Answer the following statement true (T) or false (F)
What water mass is the most saline in the world ocean?
a. Antarctic Bottom Water b. Northern Atlantic Deep Water c. Northern Pacific Deep Water d. Mediterranean Deep Water e. Arctic Bottom Water
A hypothesis is ________
A) a prediction about something that has not yet been observed B) the design of an experiment that can be used in scientific inquiry C) a statement that explains an observed phenomenon or answers a question D) a proven scientific fact
In the forest, little sunlight is able to penetrate to the ground through the thick crown cover. As a result, ____
a. ?evapotranspiration does not occur near the forest floor b. ?most plant growth is found near the forest floor c. ?little plant growth is found near the forest floor d. ?evaporation from soil does not occur near the forest floor e. ?moisture cannot reach the plants on the forest floor