It would be A i just did the math
Answer: air pressure
Whenever you hear things like "high pressure" or "low pressure" on weather reports, they measured the pressure using a barometer. Knowing the air pressure helps determine if there is a higher chance of rain or storms for instance.
Typically but not always, high pressure correlates to sunny days and dry weather. Low pressure often brings about rain. This is of course a very oversimplified viewpoint.
Answer:
Sa = 36 circumference per meter square
This answer is wrong sorry
Will you my friend
The answer is Any Real Number
because 4(x + 1) = 4x + 4 for all value of x
