How do helmets protect your head? a.
By creating a large area to spread out the pressure of a blow to your head.
b.
By focusing the pressure of a blow into a small area.
c.
By creating a vacuum that protects your head.
d.
By creating a pressure gradient that traps energy away from your skull.

Please select the best answer from the choices provided

A
B
C
D

A

Explanation:

A helmet distributes the impact throughout the entire helmet meaning that the pressure is dispersed within the area

relative humidity, temperature and dew point -- are bound together in the mathematical relationship below. relative humidity changes when temperatures change. because warm air can hold more water vapor than cool air, relative humidity falls when the temperature rises if no moisture is added to the air. so i would say a

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