Suppose the present concentration of CO2 doubled in 100 years, and climate models predicted a 5oC increase in Earth's average temperature. Which of the following gases must also increase in concentration?
A. oxygen
B. nitrogen
C. methane
D. water vapour
Answer: D
You might also like to view...
The properties of seawater at depth are determined by surface conditions in the area where the water sinks.
Answer the following statement true (T) or false (F)
About how much of the sun's radiation would strike the Earth if the Earth did not have its atmosphere?
A) About 10 times more B) About twice as much C) About the same amount D) About half as much
North Africa is ethnically diverse, while Sub-Saharan Africa is predominantly Arabs and Berbers
a. True b. False Indicate whether the statement is true or false
Which of the following is unrelated to the strength of an urban heat island effect?
A) city size B) population density C) proximity to the coast D) percentage of area covered by non-natural surfaces