How is natural gas different from coal? a. Natural gas is a renewable resource; coal is a fossil fuel
b. Natural gas is a form of petroleum; coal is extracted
from coal deposits
c. Coal is a form of petroleum; natural gas is emitted by
volcanoes
d. Coal is a fossil fuel; natural gas is a renewable
resource

The images show two different fronts.which fronts are shown? item a shows a cold front, and item b shows a warm front.item a shows an occluded front, and item b shows a cold front.item a shows a warm front, and item b shows a stationary front.item a shows a stationary front, and item b shows an occluded front.