The Paleozoic era spanned from the Cambrian to the Permian and ended with a mass extinction at the end of the Permian. Geologists are still unsure of the cause but the theories include a meteorite impact or a massive volcanic event in Siberia or a combination of both. This could be a possible cause of the melting of the late Paleozoic ice sheets.
Answer:
Th = 50°C
Explanation:
See the attachment below.
K = 7.75
Tc = 13.5°C = 273+13.5 = 286.5K