Which is given as an explanation for how the Paleozoic supercontinent ice cap melted?
A. Volcanic eruptions decreased, raising the temperature.
B. Carbon dioxide levels decreased, raising the temperature.
C. Plants dying off increased the greenhouse effect.
D. Plant life turned oxygen into carbon dioxide, increasing the
temperature.

Azoologist is studying four very closely related feline species. she wishes to compare their gestation periods. an observational study is conducted where the zoologist observes the gestation period of 50 randomly selected felines in each species. a one-way anova test is run to test the hypothesis that the average gestation period is the same for each of the four species. a level of significance of 0.05 is used, and a p-value of 0.01 is calculated. based on this result, the conclusion that can be drawn is that: