Answer:
b critical thinking is the answer
What are you actually asking?
Answer:
Delta
cliffs, caves, and stumps
Our best estimate for the age of the universe is based on what we currently know about the universe's history is 13.772 billion years.
<h3>How to calculate the age of the universe?</h3>
There are two methods by which the scientists calculate the age of the universe:
By searching for the oldest stars
By calculating the rate of expansion of the universe and generalizing back to the Big Bang Theory.
Thus, Our best estimate for the age of the universe is 13.772 billion years.
Learn more about the age of the universe
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Answer: The U.S entered the war because they were afraid communism was going to spread
Explanation: Hope this helps :)