1.Which of the following is an example of a non-renewable resource? A. Wind
B. Solar (Sun)
C. Trees
d. petroleum

2.Burning fossil fuels releases which gas into the air, making the Earth warmer?

A. Oxygen
B. Water
D. Nitrogen
D. Carbon Dioxide

Asuspension of yeast cells is being grown under anaerobic conditions such that glucose is degraded to ethanol and carbon dioxide. if one wishes to follow this process by monitoring the release of 14co2, at which positions in the glucose molecule would the 14c label need to be incorporated?