Answer:
The scientist who discovered that all elements hae a unique spectrum was Bohr.
Explanation:
Niels Henrik David Bohr (1885-1962) was a Danish physicist who contributed to the understanding of the atom and quantum mechanics. He was awarded the Nobel Prize in Physics in 1922.
He was the author of several books of dissemination and reflection, including Theory of Spectra and Atomic Constitution (1922), Light and Life (1933), Atomic Theory and description of nature (1934), The mechanism of nuclear fission (1939) and Atomic Physics and Human Knowledge (1958).
Bohr was awarded in 1922 with the Nobel Prize in Physics for his work on atomic structure and radiation, and in 1926 with the Franklin Medal of Physics. He was also the first to receive, in 1958, the Atoms for Peace award.
Answer:
To put across your opinion or fact
Explanation:
A debate shows your knowledge and opinion on a fact and why you think the other side is wrong or less right.
Operation
Overlord (D-Day)
so important?
Answer:The D-Day military invasion that helped to end World War II was one the most ambitious and consequential military campaigns in human history. In its strategy and scope—and its enormous stakes for the future of the free world—historians regard it among the greatest military achievements ever
Explanation:
B. middle colonies had a policy
C. middle colonies had the richest silver mines
D. middle colonies were closest to Europe