Construction, like building a home/building, digging, like in a mine, and opening a soda can, where the part to open is a lever.
Answer:
B ) Ascend using my buddy alternative air source / make an emergency Ascent
Explanation:
From the description it can be seen his buddy is close by of which he can easily use the alternative air source. Also we can see that he is closer to the water surface than his buddy, of which controlled emergency swimming ascent is highly favourable in this condition.
The momentum of the car is 4.4x10^3 kg•m/sec
