When a cell is not healthy it should self- destruct through a process called cytology apoptosis cancer ligation

What is the percentage by mass of silicon (si) in iron aluminum silicate (fe3al2(sio4)3)?

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?

Stage in which a star’s outer layers have started to cool and grow outward?