Question

explain what would likely happen to global climate if there was a dramatic decrease in greenhouse gases trapped in the atmosphere.

Answer 1

Well you know that greenhouse gases are great for trapping heat. Inversely, when you remove these greenhouse gases, what temperature change would most likely occur?

Answer 2

It would get colder. The global climate would cool down because greenhouse gases are what traps heat on Earth. On the contrary, if greenhouse gases were to increase, then the global climate would heat up.

Hope I helped!