Select the properties that apply to superconductors. made from pure metals
produce a strong magnetic field
conduct electricity with zero resistance
no loss of energy in the transfer of electricity

indium, and thallium have three electrons i think

smooth muscle is composed of involuntary muscles found within the walls of organs and structures such as the esophagus, stomach, intestines, and blood vessels. those muscles push materials like food or blood through organs. unlike skeletal muscle, smooth muscle can never be under your control.