Toss Up - Earth And Space - Multiple Choice
According to the United Nations, what is the global warming potential of methane on a 100 year time scale?
W) 1
X) 21
Y) 150
Z) 310
ANSWER: X) 21
According to the United Nations, what is the global warming potential of methane on a 100 year time scale?
W) 1
X) 21
Y) 150
Z) 310