The hypothesis is a statement that the value of a population parameter is equal to some claimed value.

The null hypothesis

Explanation:

The null hypothesis sign is H o. It is opposite to the alternative hypothesis. The researcher worked upon to reject and disapprove of the null hypothesis. The null hypothesis is about to define that there is no significant difference found between two variables. This is the only hypothesis that the researcher wants to reject or nullify it. The purpose of the null hypothesis is to draw the corresponding value or data from the population and this corresponding vale drawn from population called parameters.

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clean air is essential for health and survival

clean air provides nitrogen gas for plant respiration

clean air supplies oxygen that enables living organisms to breathe

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answer; bill of rights;