Answer:
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Explanation:
Around 1800 (plus or minus about 5 years) is when it was estimated that the world's population had reached 1 billion.
It would sometimes signify the unity of two separate kingdoms
Answer:
the rocket average speed is 12 kilometers per second
Explanation:
Given that
The distance is 1140 km
And, the time is 95 seconds
We need to determine the average speed in kilometers per second (km/s)
So as we know that
Speed = distance ÷ time
= 1,140 km ÷ 95 seconds
= 12 kilometers per second
hence, the rocket average speed is 12 kilometers per second