onservation tillage reduces soil e a. b. c. d. leaving crop residues on the soil
ID: 296491 • Letter: O
Question
onservation tillage reduces soil e a. b. c. d. leaving crop residues on the soil surface. increasing crop yields increasing the use of plows to till the soil. using less herbicides to control weeds 37. Which of the following are causes for the decline of the nuclear power industry in the US? Select all correct answers. ecline in public confidence a. b. c. d. a d shortage of uranium and other fissionable material widespread commercial availability of renewable energy alternatives increasing costs of nuclear power plant production 38. Which of the following factors contribute to increased global hunger in 20162 Select all correct answers. a. Climate-related factors b. Decreased worldwide food production c. Conflict and violence d. Economic slowdowns 39. Which of the following statements about the effects of global climate change or agriculture is true Warmer temperatures will result in increased soil moisure content in many agricultural soils Some of the world's most productive agricultural lands might be inundated by rising sea levels. Global climate change will result in a global increase in agricultural productivity Warmer temperatures associated with climate change will probably help to control agricultural pests a. b. c. d. 40. One unique aspect of solar energy as a source of global power is that it is dispersed over the Earth's entire surface, rather than being concentrated in highly localized areas. it contributes to the greenhouse effect. solar radiation is more intense when the sun is low in the sky it is not dependent on technology for collection or utilization. a. b. c. d.Explanation / Answer
36 a) leaving crop residues on the soil surface.
as preventing soil erosion is merely impossible but with this conservation tillage method ,the field surface covered with crop residue protects the soil from eroding forces.
37) a, c and d are the correct answers first thing is that the cost of production of power from nuclear fuels are very high whereas on the other hand we have cheap and easy power resources available such as wind and solar and people had also shown lack of interests towards nuclear power as they were not comfortable with ever increasing price for thier household electricity requirements so the correct options are a, c and d.
38) a and b
39-b) some of the world's most productive agricultural lands might be inundated by rising sea levels.
40)-a
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