Which of the following is not responsible for the slow recovery of ecosystems from desertification?
a. slight rainfall
b. low species diversity
c. little soil bacterial activity
d. slow plant growth rates
e. frequent flash floods
E
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Which country intends to become the first carbon neutral country by cutting its net carbon emissions to zero by 2030?
A. Canada B. the United States C. Mexico D. Nicaragua E. Costa Rica
Compared to solar generated electricity, hydroelectric systems
A) are advantageous because they produce significantly less greenhouse gas.
B) are advantageous because they operate as well at night as during the day.
C) do not last as long as most solar technologies.
D) cannot produce as much electricity as solar technologies.
Why is it difficult for tobacco farmers to convert to farming other crop types?
A) Tobacco is a labor intensive crop B) Tobacco farms are small C) Tobacco tends to make the soil unusable for other crops. D) Both A and B E) Both B and C
Among other things, boundaries help eliminate stereotypes
Indicate whether this statement is true or false