Which one of the following does not represent environments that determine personal environmental risk? A) sun exposure
B) polluted air
contaminated water
D) ozone depletion
clean air

Which statement is true about parks and nature preserves?

Which scenario is least likely to occur in a market economy? a) the government pays farmers to stop planting certain crops for a period of time. b) the government stops a factory from producing imitations of an expensive type of purse. c) the government offers tax breaks to companies that meet efficiency goals in their products. d) the government allows only two competitors to offer goods for sale on the country's highways.

What is the function of the organelle labeled a in the diagram?