Answer:
the correct answer is the 60

It is an example of liquid. if thats what you are asking for...
Explanation:
What exactly are u looking for?
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.
Answer:
1.2 * 10' -8N (Check attachment
Explanation:
Check attachment