If you are a household gardener concerned about outside flowers and plants during cold weather, you can simply wrap them in plastic or cover each with a paper cup to protect them
a. True
b. False
ANSWER: True
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What combination of crops, grown by Native Americans, is associated with traditional cuisine in MexAmerica?
A) Corn-beans-squash B) Rice-beans-tomatoes C) Wheat-beans-chilis D) Corn-tomatoes-beans
Currently, desert and steppe lands cover about what percentage of Earth's land area?
A. 3% B. 10% C. 30% D. 66%
Pollutants such as sulfur dioxide and ozone cause
A. Reduced yields in crop plants as well as visible damage B. Mortality in most plants C. Immediate chlorosis and then death to most plants D. Damage only to highly sensitive plant species E. Relatively little damage to plants
It is believed that the temperature rise caused by increased atmospheric carbon dioxide will be greater in the tropics than in the polar regions
Indicate whether the statement is true or false