All of the following issues involve environmental science except a. measuring smog levels in cities. b. asking people questions about the cost of various resources. c. studying the loss of plant and animal species. d. publishing the results of a study on fossil fuel depletion.

Which measure of humidity, relative humidity or dew point, best describes the actual quantity of water vapor in a mass of air

Which two nations are doing the most to combat their environmental issues?

15 points need quick 1. looking at your graph and the geologic time scale during what period did this rock form? what is the age span of the rock, in millions of years? 2. this rock sample is limestone and shale. with what you know about rock formation, what type of environment did these organisms live in? 3. if some of these fossil samples were found in a rock also containing leaf fossils, could you use radiocarbon dating to determine the age of this rock? explain.