Answer:
Julius and Ethel Rosenberg
Explanation:
On March 29, 1951, the court convicted Julius and Ethel Rosenberg of conspiracy to commit espionage. On April 5, Judge Kaufman sentenced them to death, and sentenced Sobell to 30 years in prison.
Answer:
The standard atomic weight is the average mass of an element in atomic mass units. Though individual atoms always have an integer number of atomic mass units, the atomic mass on the periodic table is stated as a decimal number because it is an average of the various isotopes of an element.
Answer:
The building up of weapons and military as a show of force
Explanation:
promising to defend other countries in need is an example of alliance
extreme love of one's country (and when you think all the other countries suck) is an example of nationalism
building up an empire and expanding wealth is an example of imperialism
these were all the reasons World War One started by the way.
Answer:
True
Explanation:
They made sounds in different unique pitches using different types of instruments
