Every mineral has distinctive and recognizable physical characteristics that aid in its identification
a. True
b. False
Indicate whether the statement is true or false
True
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Agricultural productivity increased during the Green Revolution as a result of improvements in fertilizers, crop breeding, pest control, and ________
A) organic farming techniques B) irrigation C) weather conditions D) techniques to convert land for agriculture E) fossil fuel use
We can all help sustain terrestrial biodiversity through various measures. Which of the following methods is least effective in sustaining biodiversity?
A. Plant trees and take care of them. B. Recycle paper and use recycled products. C. Buy sustainable wood and wood products. D. Help restore nearby degraded forests or grasslands. E. Eliminate local plants from your household garden.
Which ester is formed by the reaction of CH3CH2COOH and CH3CH2OH?
A) ethyl acetate B) ethyl propanoate C) propyl acetate D) none of these
Suppose the absolute temperature of an object doubles. By which of the following factors will the maximum energy emitted increase?
A. 16 B. 4 C. 2 D. 8