What do all volatile organic compounds have in common?
A. All are gases in the atmosphere.
B. All are produced synthetically.
C. All are emitted from processing and/or burning fossil fuels.
D. All are greenhouse gases.
E. All are naturally occurring colorless and odorless gases found in rocks and vegetation.
Answer: A
You might also like to view...
When Suzie touches a hot penny in the sunlight with her finger, energy flows
A. from her finger to the penny. B. from the penny to her finger. C. both ways. D. none of the above
No work by gravity occurs for a satellite when it is
A. in circular orbit. B. in an elliptical orbit. C. both of these D. none of the above
What is one way that earthquake intensities are determined?
a. with seismographs b. with satellites c. with postal questionnaires d. with accelerometers e. with seismometers
Despite their idyllic island appearances, atolls pose many natural hazards to human habitation.What are three factors that make human habitation on atolls difficult?