Which is not necessarily a characteristic of a red giant?
A) The engulfing of inner planets
B) The expansion of atmosphere
C) Becoming a supernova
D) Materials sent into space from shattering
C
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Which bond is most polar?
A. C-C B. H-N C. N-C D. O-H
Which of the following best matches the description?Plant hormone that stimulates growth.
A. micronutrient B. hard pesticide C. fungicide D. herbicide E. rodenticide F. pheromone G. persistent pesticide H. biomagnification I. soft pesticide J. organophosphate K. biocide L. auxin M. micronutrients N. weed O. macronutrients P. chlorinated hydrocarbon Q. macronutrient
Passing along some old gardening advice, a neighbor says, "If you want a great garden,
A) keep the fungi and earthworms happy." B) water deeply every day." C) add at least 3 inches of sand and gravel to the soil every year." D) use plenty of pesticides."
Fog that forms in industrial areas is usually quite thick because the pollution particles provide large numbers of ____ nuclei on which water droplets can form
a. hydrophobic b. giant c. salt crystal d. haze e. hygroscopic