How did reduced methane concentrations in the atmosphere affect Earth?(1 point) Responses Volcanic activity decreased. Volcanic activity decreased. Earth warmed. Earth warmed. Earth cooled. Earth cooled. Volcanic activity increased.

Answer 1

Reduced methane concentrations in the atmosphere typically lead to a cooling effect on Earth. Methane is a potent greenhouse gas, and lower concentrations would result in less heat being trapped in the atmosphere. Therefore, the correct response is: Earth cooled.