Formation of the Earth's Atmosphere. The early Earth was very different from our Earth today. The early Earth experienced frequent impacts from asteroids and meteorites and had much more frequent volcanic eruptions. There was no life on Earth for the first billion years because the atmosphere was not suitable for life.
<span>a glycerol backbone, and fatty acids</span>
The answer is A i hope thats helpful
The correct answer will be the second one Growth of a tumor
