What are the sources of air pollution that originate from smelting plants and paint? a) Ozone
b) Lead
c) Radon
d) Mercury
e) Methane

The average act score follows a normal distribution, with a mean of μ = 21.1 and a standard deviation of σ = 5.1. what is the probability that the mean iq score of 50 randomly selected people will be more than 23? 0 1 0.9958 0.3547 0.0042

Which amusement park ride utilizes periodic motion a.slide b.bumper cars c.giant swing d.roller coaster

Based on the graph, how is coal consumption likely to affect future generations? a. the higher our current rate of consumption, the less coal will be available in the future. b. current rates of consumption are irrelevant because new coal will form in the future. c. the lower our current rate of consumption, the more slowly coal will be replenished for the future. d. regardless of current rates of consumption, coal will always be available.