The horizontal fraction bar was introduced by the Arabs.
Did you know?
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.
Did you know?
On average, the stomach produces 2 L of hydrochloric acid per day.
Did you know?
Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.
Did you know?
Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.
EEG electrodes attached to the child’s scalp provide a record of brain activity in multiple ...
Helping a Stranger
Professional association conventions provide opportunities for networking with other massage ...
Many hunger-relief programs work to provide food aid to needy nations
Is It Safe To Get Your Meals from a Food Truck?
An overview of the levels of organization in nature