Please answer these MCQ'S

Amistake occurs during mitosis of a muscle stem cell.how might this affect muscle tissue

What causes the force that pushes magma from the magma chamber through the pipe and vent of a volcano?

Iguanas need to live in a habitat that is very warm, so the pet store warms their enclosures with "basking lights" which act as an artificial sun. describe how the three methods of thermal energy transfer may take place within the iguana's enclosure.