Answer:
5
Explanation:
f its 5f do it okhshsgsgsvvdvdgsg
Mechanical problems since they can be solved and have the second most deaths. I would have the plane go through at least 3 examinations before boarding then one passenger exam before takeoff.
Answer:
4.9 × 10^24
Explanation:
^ means to the power so 4.9 × 10 to the power of 24
Helmet
(Tried my best) gloves are things weared for to protect the hands. The same goes for the head, helmet is to protect our head