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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

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Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

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According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

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Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Some of the bacteria that can fix atmospheric nitrogen, converting it into a form usable by plants. Some of the bacteria that can fix atmospheric nitrogen, converting it into a form usable by plants.
This photo captures an extreme form of family socialization. The father seems to be more emotionally ... This photo captures an extreme form of family socialization. The father seems to be more emotionally ...
Negative feedback control of a regulated variable. Negative feedback control of a regulated variable.
Humoral control of blood sugar levels. Humoral control of blood sugar levels.
Control of glycogen synthase activity Control of glycogen synthase activity
Classification of Clouds According to Height and Form Classification of Clouds According to Height and Form
Video: Vascular tissues in a corn stem and a buttercup root

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