In the six-kingdom system of classification, protists compose a single kingdom. describe an alternate view of this classification.

burning of wood and coal

explanation:

the panel also concluded there's a better than 95 percent probability that human-produced greenhouse gases such as carbon dioxide, methane and nitrous oxide have caused much of the observed increase in earth's temperatures over the past 50 years.

i do not know and i have a 100 in this class