What percentage of the water used for irrigation is lost? Why? What will be an ideal response?
About half, or 50 percent, of water is lost in irrigation. Most of the loss is due to
evaporation and transpiration. Flood and spray irrigation expose more surface area to
evaporation.
Environmental & Atmospheric Sciences
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The troposphere contains what % of the mass of the atmosphere? [INSERT FIGURE 1-12. NO CAPTION]
A) 20% B) 40% C) 60% D) 80%
Environmental & Atmospheric Sciences
About ________ % of the natural gas used by humans is derived from the seabed
a. 28 b. 50 c. 38 d. 75
Environmental & Atmospheric Sciences
________ breakers are wave types that occur on steeply sloping beach faces
Fill in the blank(s) with correct word
Environmental & Atmospheric Sciences
Oil production in the U.S. has increased due to the use of hydraulic fracturing of shale rocks.
Answer the following statement true (T) or false (F)
Environmental & Atmospheric Sciences