Hey there!
Airplanes must be pressurized when flying at high altitudes so that the oxygen levels stay normal for us to breathe. The higher you go up, the thinner the air gets, which causes breathing problems for us humans.
Thank you!
Answer:
Bullying
Explanation:
because most children great living in a particular society because of that
<span>friends and relative had not seen each other for 30 years since the wall was put in place.
-The fall of the Berlin wall was the first step to the reunification of Germany</span>
The correct answer is - False.
The mechanization in the agriculture contributed to less people being involved in it, and that is because with the mechanization much less human labor is needed since the mechanization is doing the work for multiple people and animals, with the same or better efficiency, and also quicker and cheaper.
Answer:
A few million, So about 5 million!
Explanation: