What is the problem with using coal, oil and gas?
A. the air pollution they create can cause serious health problems
B. they discharge pollutants into the atmosphere
C. the air pollution they cause can reduce sunlight enough to affect agriculture growth
D. all of these
Answer: D
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Is the rate of Earth's rotation increasing or decreasing?
A) It is increasing. B) It is decreasing. C) It is remaining relatively steady. D) It is increasing and decreasing in cyclic fashion.
The lowlands of northern Morocco, Algeria and Tunisia experience some of the driest conditions in Southwest Asia and North Africa
Indicate whether the statement is true or false
Describe different ways in which anthopogenic activity can affect the energy balance
What will be an ideal response?
What were the most successful type of Paleozoic plants?
a. cordaites b. lycopsids c. gymnosperms d. sphenopsids e. seedless vascular plants