Ten different types of simple machine used in your house and classify them into different types of simple machine​

Asun-sized star will spend most of its lifetime as a: white dwarf red giant protostar main-sequence star

A-of 75 cm by cm by 17.5 cm up. of is 2 kg a , in ,if it is in , kg/?

Order the sequence of ideas that lead to marie curies discovery of radioactive elements number the events in chronological order starting with the oldest