Answer:
4N to the left. No it is not balanced.
Explanation:
8 -4 = 4 N of force
Balanced would be if they equaled zero, so 8 to the left and 8 to the right
<span>Under normal conditions, the forced expiratory volume is normally 75-85 % of the vital capacity.
According to its definition, forced expiratory volume (FEV) refers to "how much a person can exhale during a forced breath." And a person can exhale from 75 to 85 percent of their entire breathing capacity. This is one of the tests to check the function of the lungs. </span>
B low frequency it is the lowest frequency
Snorkel connects the diver's lungs with the air above the water. Because of this, the pressure inside the diver's lungs is the same as the atmospheric pressure.
The static pressure of a fluid is given with this equation:

The density of water is 1000kg/m^3.

Standart atmospheric pressure is 101<span>325Pa.
</span>The difference is:
Answer:
I think it is acute angle.
Explanation:
Because it is an angle between 0° and 90°. Hope this answer wil help you.