Answer:
We have better technology so we can take some of a dinosaurs DNA and see what era it was from, how long they have been extinct, etc.
Explanation:
Answer:
war in Europe ends; atomic bomb tested; atomic bomb dropped on Hiroshima
Explanation:
Answer:
The Great Depression was a severe worldwide economic depression that took place mostly during the 1930s, beginning in the United States. The timing of the Great Depression varied across the world; in most countries, it started in 1929 and lasted until the late 1930s.
Explanation:
John Adams was the president who sacrificed his popularity.