Folic acid.
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an ironing board is usually 43" high
Iron tests are performed on samples of the patient's blood, withdrawn from a vein into a vacuum tube. The amount of blood taken is between 6 mL and 10 mL (1/3 of a fluid ounce).
The percentage of iron oxide in iron oxide is ... yep, you guessed ... 100%!
In everyday life, electromagnets are used in motors that run appliances and machines we use. Each motor has copper wires wound around an iron core. When electricity passes through the iron core, the core rotates at high speed. The high speed creates a magnetic field between the core and the wires. This makes the electricity course through a power supply that makes the appliance or machine run.
An alloy of iron and lead.