<span>cacique i think is your answer</span>
The correct answer is letter A. When you lean towards the speaker, the speaker tends to feel and think that you are paying closed attention to the message that he is trying to convey. This is an encouraging non-verbal form of communication that is often seen when a person giving a speech is very much engaged with his listeners.
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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<em>An</em><em> </em><em>isotope</em><em> </em><em>is</em><em> </em><em>an</em><em> </em><em>element</em><em> </em><em>having</em><em> </em><em>same</em><em> </em><em>atomic</em><em> </em><em>no</em><em> </em><em>but</em><em> </em><em>different</em><em> </em><em>mass</em><em> </em><em>no</em>
<em>Ex</em><em>:</em><em>chlorine</em>
