Why we should be concerned about the increase in amount of the green house gases in the atmosphere?

We should be concerned about the amount of green house gases released into the atmosphere because the more gases are released, the more they accumulate in the atmosphere and trap heat, which contributes to global warming, which is causing massive changes in our environment all around the world.

the answer to this predicament is false, by friend, i had this on a quiz, and i got it wrong, so i learned it, cos i was gonna have it on a test, and i got it right

colors do exist. the color of the sky is actually violet; humans percieve the color of the sky as blue.