The definition of vestigial organs are rudimentary structures in humans
that correspond to a functional structure or organ in an ancestor.
Basically the answer is redundant organs present in an organism, which
have been functional in the organism's ancestors.
The greenhouse effect is Earth's greenhouse gasses trapping the sun's heat. <em>It helps keep the temperature in the atmosphere stable for life. </em>
No new substance is produced.
Sure lol I’m bored either way ahahah
