As the use of chlorofluorocarbons has been reduced around the world, changes have been seen in the impact of stratospheric ozone. Which of these would be a noticeable change?
a. Migrating animals are eliminating or significantly reducing their winter stopover times.
b. Rates of skin cancer diagnosis in the people of South America have decreased.
c. Scientists in Australia are able to wear less protective clothing and can work outside longer.
d. Flowering plants are able to take up more water through their leaves due to less evaporation.