The ratio of air's water-vapor content to its capacity to hold water vapor at that same temperature = relative humidity! Hope I helped! :)
I believe the answer is B.
Optometry is the referred to the term for this kind of technological application.
<h3>What is Optometry?</h3>
This is an aspect of health care that involves examining the eyes to check for defects or abnormalities.
In cases where abnormalities are detected, it is usually treated as in the case of a person which wears eyeglasses to see more clearly which could be due to being short or long sighted etc.
Read more about Optometry here brainly.com/question/7454688
Samuel de Champlain was a explorer and cartographer known for establishing and governing the settlements of New France and the city of Quebec.
Jacques Cartier is known for exploring the St. Lawrence River plus giving Canada its name.
here are 5 methods: Issuing bonds,Sales of common stock, Issuing preferred stock,Borrowing or Using profits