Which statements explain what the fossil record indicates? Check all that apply.

A. Earth is 4.5 billion years old.
B. Many organisms have become extinct.
C. Mammals have always existed on Earth.
D. Mass extinctions have occurred several times on Earth.
E. The amount of water on Earth has decreased over time.

Neptune is the eighth planet from the sun. it was the first planet to get its existence predicted by  mathematical calculations  before it was actually seen through a telescope on sept. 23, 1846. irregularities in the orbit of  uranus  led french astronomer alexis bouvard to suggest that the gravitational pull from another celestial body might be responsible. german astronomer johann galle then relied on subsequent calculations to   spot neptune via telescope. previously, astronomer galileo galilei sketched the planet, but he mistook it for a star due to its slow motion. in accordance with all the other planets seen in the sky, this new world was given a name from greek and roman mythology — neptune, the roman god of the sea.

The purpose of a lab is to do your "expirements" the importance of the topic is so you can now what the story is about and the last one is because no one is me with my question ( what is 3 over 4 x - 9 = 27 maybe you can )

Global warming was a major concern some people do not care global warming is fake it is not real the percentage of it happening  is slight