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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

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Human kidneys will clean about 1 million gallons of blood in an average lifetime.

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Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Ion uptake at root hair membranes. Ion uptake at root hair membranes.
Root Systems of Eudicots and Monocots Root Systems of Eudicots and Monocots
An adult tooth, longitudinal view showing internal structures of the crown and root. An adult tooth, longitudinal view showing internal structures of the crown and root.
Object and Word Recognition After Vertices Have Been Eliminated (Adapted from Szwed, M., Cohen, L, Q Object and Word Recognition After Vertices Have Been Eliminated (Adapted from Szwed, M., Cohen, L, Q
How to solve a word problem involving trigonometric models (Question 1) How to solve a word problem involving trigonometric models (Question 1)
Root uptake of soil water Root uptake of soil water
Video: Types of Shock (Part 2 of 2)

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