Question

Which statement is TRUE regarding the greenhouse effect?Question 9 options: Increased levels of human-produced carbon dioxide have enhanced the greenhouse effect. The greenhouse effect did not exist before humans. Greenhouse gases work by magnifying incoming solar radiation onto Earth's surface, just like in a greenhouse. Volcanoes are the largest source of greenhouse gases. All of these answers are true.

Answer 1

Increased levels of human-produced carbon dioxide have enhanced the greenhouse effect

Step-by-step explanation:

The greenhouse effect has certain gases that are used to create it. One of these gases is carbon dioxide. If we produce more carbon dioxide this increases the amount of gases and therefore helps the greenhouse effect, it enhances it.