In elegy written in a country courtyard, thomas gray speculates that many a person's potential has likely been thwarted by penury, or extreme a. ignorance b. poverty c. vice d. misfortune

Why do we perceive objects as retaining their brightness under different lighting levels?

What is one way intensive agriculture can contribute to climate change? a. tree loss to agriculture increases earth's albedo b. livestock manure absorbs greenhouse gases c. large herds of livestock release greenhouse gases d. fewer trees are available to replenish petroleum stores appex

The two tubes contain bromothymol blue. after 24 hours, what will the color of the water be in tube b? a. green (it won't change) b. yellow c. blue d. colorless (clear)