The correct sequence of the events is the following:
1. Sputnik I was the first artificial Earth satellite. The Soviet Union's Sputnik 1 satellite took to the skies on Oct. 4, 1957.
2. NASA was formed - The National Aeronautics and Space Administration (NASA) agency was was created in 1958 from NACA (National Advisory Committee for Aeronautics)
3. The Soviet pilot and cosmonaut Yuri Alekseyevich Gagarin completed an orbit of the Earth on 12 April 1961.
4. The astronaut John Glenn orbits the Earth on February 20, 1962.
Neil Armstrong lands on the moon,
The answer is most likely A
When speaking in front of audience you should make eye contact with the audience.
<h3>Giving of speech to audience</h3>
Speech giving is an art of presentation of one's thoughts and ideas which is usually done before a listening audience.
The guidelines of giving of speech to audience include the following:
- Practice effectively before the speech
- Speak with the correct tone and clearly in such a way that your points would be noted
- Always maintain eye contact with your audience.
Therefore, when speaking in front of audience you should make eye contact with the audience.
Learn more about speech here
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A dot that is placed after the note to indicate a change in the duration of a note. The dot adds half of the value of the note to itself. For example, a dotted half note gets 3 beats - value of a half note is 2, half of 2 is 1 so 2 + 1 = 3.
