How much does the atmosphere weigh over each square kilometer (km2)?  Recall that 106 m2  =  1 km2. Thus according to these calculations, we are adding CO2   to the atmosphere at the rate of approximately Answer: __________ percent per year.  At this rate, can we account for the observed increase in CO2   in the […]

Submit the complete citation and a copy of the research article you would like to use for part 4. Discussion of the science of a recent research study on the pathogen or disease it causes. This should be a recent study within the past 5 years. Required and acceptable sources for your report are […]

A 74-year-old woman is transported to a regional burn center after being rescued from a house fire. Apparently, a space heater was knocked over and an area rug caught fire. The fire quickly spread throughout the house. She did not have any functional smoke detectors and became trapped in a […]

1. Imagine a male bird migrating back north after a long, tough winter in Central America, Assume it flies during the day. Also assume that males of this species return to the same patch of grassland where they were the previous summer and that they are territorial. Finally, assume that […]