Describe the various paths taken by rain that falls on the land
What will be an ideal response?
Most precipitation that falls on land seeps into the ground. Some of this water remains between soil particles as soil water. Plant roots can tap into this water source. Water that drains through soil layers often collects in aquifer , which are natural underground reservoirs consisting of porous rock layers. Groundwater is water in soil and aquifers. Water that falls on impermeable rock or on saturated soil becomes runoff: It flows over the ground into streams. The flow of groundwater and surface water returns water to oceans.
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Answer the question using the accompanying figure. The variable region of a light chain is indicated by number____
a. 1 b. 2 c. 3 d. 4 e. 5
Kinetic energy is the energy of which of the following?
a. position b. motion c. chemical bonds d. light
Which of the following foods would be least likely to contribute to the development of heart disease?
A) margarine B) butter C) bacon D) fish oil
All macromolecules that are important in living systems contain:
A) nitrogen. B) potassium. C) aldehydes. D) carbon. E) polymers.