IF m= {w, x,y, z} write all the the subsents of M
and seprate proper and improper subsets.

answer; i believe the correct answer is (a) the correlation between the cause variable and outcome variable is zero;

well its is frequent rain

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answer; cultural trait;

i believe

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

hope this

i am brianly

sorry if this doesn't