It is the 3rd one your welcome
The air around you has weight, and it presses against everything it touches. That pressure is called atmospheric pressure, or air pressure. It is the force exerted on a surface by the air above it as gravity pulls it to Earth. ... Atmospheric pressure drops as altitude increases
Option D is the answer
I hope it helps you
Answer:
The result is 7.8 * 10^3
Step-by-step explanation:
When we are dividing in scientific notation, divide the numbers in front
7.8/1 = 7.8
Subtract the exponents on the powers of 10
10^(7-4) = 10 ^3
The result is 7.8 * 10^3
Answer:
X= -0.1290 (bar line on top of the 90)
Hope this helps!
Step-by-step explanation: