Which of the following are the oldest remnants from the formation of the universe and helps scientists determine the age of the universe?

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.

feral cats are estimated to eat tens of millions of native animals each night in australia