Answer;
B. Increased temperatures.
Explanation;
The effect that an increase in cattle ranching be expected to have on climate is an increased temperatures.
-Methane contributes to greenhouse gas emissions together with other gases such as carbon dioxide and nitrogen oxides. These greenhouse gases are building up beyond the Earth's capacity to remove them and creating global warming. Global warming is influenced by the depletion of the ozone layer and an increase in greenhouse gas emissions.