Which fossil fuel produces the most carbon dioxide?

coal
natural gas
oil
nuclear energy

In stage 2 farmers used the land primarily to grow food for their families and their small communities.

Where is the temple of mount located

Some gamma ray bursts are hypothesized to come from mergers of neutron stars or black holes. if this hypothesis is correct, what else should we in principle be able to detect from such mergers? a. gravitiational waves b. x-ray bursts c. significant disruption of gas thousands of light-years away in the surrounding galaxy d. an "afterglow" of bright visible light, lasting for weeks