Which of the following is a secondary air pollutant?
A. Volatile organic compounds (VOCs)
B. Particulate matter
C. Sulfur dioxide
D. Ozone
Answer: D
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Which of the following statements is true about a climax community
A. It is the community that will develop after an intense disturbance B. It is the community that will develop after a long stable period of time C. It is the very first community to colonize bare rock or soil D. It is the highest number of animals at the top of the food web
True or False: Temperature decreases with depth below Earth's surface
Indicate whether this statement is true or false.
Describe the composition of a cinder cone
What will be an ideal response?
Soil creep is unimportant in arid regions since lack of water removes the primary ________
A) lubricant B) binder C) catalyst D) cement E) reason for landslides