Select all that apply.

According to scientists, what factors play a role in global warming?

solar variability
over fishing
higher-than-normal concentrations of carbon dioxide
climate cycles

Ithink the answer is ,temperature,pressure, and chemical changethey are identified by texture,streak,and locationthere are three ways that metamorphic rocks can form contact, regional,and dynamic metamorphism good luck, all this came right outta of the book