What is a major possible negative feedback for the climate system? Select one: a. Die off of Amazon rainforest b. Loss of Arctic ice in the summer and the resultant drop in albedo c. Humans observe what is happening to climate and use their brains to determine ways to remediate the change d. Burning fossil fuels causes release of greenhouse gases that cause warming, causing more people to burn more fossil fuels for air conditioning e. Humans adapting to climate change.