Name one process which remove car bon iv oxide from the atmosphere and fixes hydrospheric nitrogen as nitratev in the soil​

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

All motion is caused by force? true or false

Arectangle has a diagonal 20 inches long that forms angles of 60 and 30 with the sides. find the perimeter of the rectangle. for geometry