They show that there was an ocean over the plains long ago, and fossils are always used to elaborate on the history of life/how it developed.
Valence electrons, then, are electrons in the outermost shell of the atom that determine an atom's or group's ability to bond with others. In chemistry, a group refers to two or more atoms that are specifically arranged.
Hoped that helped
Answer:
D
Explanation:
Fewer jobs will be available due to the program ending, and fewer people will come to see shuttle launches and such.