In president lincoln gettysburg address what did he make undoubtedly clear?

What the theory that the sun goes around earth was replaced with the theory that earth goes around the sun this was an exaple of a

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?

Which particle controls what element an atom is?