What is the meaning of the word treacherous mean in the sentence below

QUICK pl

Explanation:

guilty of or involving betrayal or deception.

"a treacherous agent and a detective working together?"

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.

mammal

explanation: