Question

How have scientists played an important role in history?
A. Scientists control most governments in the world.
B. Scientific discoveries have changed the world.
C. Most political decisions are made by scientists.
D. Historians are mostly scientists.

Answer 1

Answer:

B

Explanation:

B makes the most sense in my opinion. because different discoveries have influenced many factors of the world

Answer 2

Answer: B.

Explanation:

A scientific discovery that has changed the world is Edward Jenner’s vaccine against the smallpox. His vaccine has been further modified to combat other diseases.

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