The origin of life occurred in .....

The units of life called spores were transferred to different planets,including Earth. What is the name of this theory?

According to Greek thinkers,what were the units of life called?

In their experiment,Urey and Miller mixed $CH_4, H_2, NH_3$,and water vapor in a closed flask and provided electrical energy at a temperature of ........ to simulate primitive atmospheric conditions. (in $^{\circ} C$)

The first organisms to evolve on the earth were

$H.C. Urey$ wrote the following book: