I think it is b because there are key word s like ought
A: Density
All the rest are chemical, not really sure exactly how to explain it. But I hope this helped!
Answer: 80 - 85% of the world.
Explanation:
At the height of European colonization, most of the world (80%+) had been colonized by the ambitious nations of Europe. Britain in particular, ruled almost 25% of the world at the height of their empire which would make them the largest empire to have ever existed.
Other European nations that coloniser vast areas are Spain, Portugal and France. The effect of this is that most of the world speaks a European language or another as their official language.
The correct answer is: D: The Manhattan Project refers to the secret plan to build an atomic bomb. It was the project that produced the first nuclear weapon during the World War II, and it was led by the United States of America with the support by Canada and United Kingdom. The first bomb was designed in Los Alamos National Labaratory. The project was active between 1942 and 1946. It resulted in two types of atomic bombs being developed: simple gun-type fission weapon with uranium and a more complex plutonium <span>implosion-type weapon.</span>
I'm not sure but I think some one called Doolittle.
I hope my answer helped.
