Select the correct answer from each drop-down menu. the increasing demand for meat in a state led to intensive farming of livestock. intensive livestock farming increased the concentration of methane in the atmosphere and caused severe environmental problems. methane is which type of gas and what type of environmental problem will methane cause? methane is a(n) acidicliquidgreenhouse gas. excess of methane in the atmosphere will lead to population growthglobal warmingdepletion of resources.