Compare and contrast industrial farming with organic farming in terms of food production and pesticide use.
What will be an ideal response?
Industrial farming produces very large amount of foods-in fact more than enough to feed the world's population (if distributed evenly). However, a large amount of this food goes to waste. The use of pesticides in industrial farming is very high and this results in many environmental problems-Poisoning nontarget species, including beneficial predators, pesticide resistance, reproductive problems in nontarget species, persistence and mobility-all can affect humans and animals thousands of miles away. Pesticides are also responsible for a myriad of human health problems. Organic farming does not result in as great a yield as industrial. However, it is much more eco-friendly. It leaves the soil in much better condition and since prices paid for organic products are higher than conventional, net returns are typically higher with organic crops. Since no pesticides are used, there are no negative health effects or other negative impacts associated with this type of farming.
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The Sahara is an example of a desert that forms primarily because of
A) sinking air from the subtropical high pressure system. B) a cold ocean current. C) being on the rainshadow side of a mountain. D) being too far inland to have much moisture in the air.
Tornadoes are least common in
A) North America. B) central Europe. C) Australia. D) North Africa.
The bond angle at the carbon atom of an aldehyde or ketone should be closest to which of the following
A) 90° B) 109.5° C) 120° D) 180°
Which of the following is NOT conducive to the formation of a radiation fog?
a. Clear skies b. Calm winds c. Warm temperatures d. All of these are conducive.