What is the difference between density and concentration? Density is the ________ with which something occurs in ________, and ________ is the extent of a feature's spread over space
A) space, concentration, frequency
B) frequency, space, concentration
C) period, space, time
D) period, concentration, space
E) frequency, time, space
Answer: B
You might also like to view...
This is the most common source of condensation nuclei in places like Pittsburgh and Cleveland:
A) human activities. B) dust. C) sea salt. D) aerosols from fires.
Large bodies of air that share similar moisture and temperature characteristics are known as ________
Fill in the blank(s) with the appropriate word(s).
The desert vision of palm trees reflected in water is usually not reality but an example of:
A) a lunar glory. B) an inferior mirage. C) looming. D) a superior mirage.
What is the principal drawback to the use of tar sands as an energy source?
A. Large volumes of natural gas are required for processing. B. It is not located near the surface and thus amenable to strip mining. C. No large deposits are present in North America. D. Processing may produce carbon dioxide.