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These young children are taking the initiative to explore their environment as they examine a snail
Inhalation medication administration. Photograph of a young girl using a metered-dose inhaler.
A strike by 800 women shoemakers in Lynn, Massachusetts, in 1860. In 1851 a Lynn shoemaker had adapt
How to find the critical numbers of a function
Examples of how the recessive gene for straight hair passes from parents to children
Find the equation of the normal line to f(x)=sinx+cosx at x = π.