Cell division resulting in two cells with the same number of chromosomes as the parent cell:a

mitosis d. divergent evolution
b. meiosis e. mutation
c. natural selection


A

Environmental & Atmospheric Sciences

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As air rises in the atmosphere it ____ and ____

a. compresses; warms b. expands; warms c. expands; cools d. compresses; cools e. warms; precipitates

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Crude oil is ________

A) formed in a wide range of temperature and pressure circumstances B) fractionated to separate the chemicals used for gasoline, lubricants, plastics and other products C) formed less than 100 yards below the surface; in deeper places with more pressure, coal is formed D) usable in its raw form E) composed of less than ten different hydrocarbon molecules

Environmental & Atmospheric Sciences

Behavioral changes as an alternative to current pesticide use would NOT include

A. Switch to a herbicide tolerant GMO crop. B. Switching from monoculture fields to mixed polyculture fields C. Flooding fields before planting D. Habitat diversification E. Rotating crops

Environmental & Atmospheric Sciences

We lose 5 to 7 million hectares of productive cropland per year to ________

A) soil conservation efforts B) forest replanting and regeneration C) recreational land use D) soil degradation E) abandonment, feralization, and other factors

Environmental & Atmospheric Sciences