Biology, 05.05.2020 09:27 robert7248
The graphs show the trends in ozone-depleting gases since the Montreal Protocol. Which statement is NOT accurate concerning the
levels of these gases?
A)The atmospheric concentrations of the most important chlorofluorocarbons
and related chlorinated hydrocarbons have either leveled off or decreased.
B)While atmospheric concentrations of CFCs are all decreasing the other
ozone depleting gases are all increasing significantly.
C)Halon concentrations have continued to increase, but their rate of increase
has slowed.
D)Only the concentration of the HCFCs increased drastically
Answers: 1
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The graphs show the trends in ozone-depleting gases since the Montreal Protocol. Which statement is...
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