The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.
Natural Hazards
Structural similarities between antimetabolites and their natural counterparts
Correction of acid and base imbalance
For the circuit in Figure 1, assume ideal diodes. The peak inverse voltage is approximately
Nucleotide-Base Composition of Various Genomes
The consequences of the intensity of natural selection on allele frequency.