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-acid in the stomach kills any pathogens-skin acts as a physical barrier to pathogens-hair in the nose and ears trap any pathogens -saliva & mucous trap pathogens. The bronchi have villi that help mov...

Location of two points that lie on the line is needed to define an equation of the line. The general equation of a line is in the form y = mx + c, where m is the gradient of the line and...

If side A is 3m and side B is 4m, what would be the length of the remaining side C?
A = 3m ; B = 4m ; C =?Use Pythagoras Theorem to give the equation: A² + B² = C² R...

The action that took place within both Korea, from 1950 – 1953, and Cuba, from 1959 – 1962, were important factors that contributed to the escalation of the Cold War. This can be clearly showcased through...

The probability of getting heads at least once is the same as saying the probability of getting heads: exactly once, exactly twice or exactly three times. This is also 1 minus the probability of getting ...