What were the 5 steps to the origins of life?

In attempt to solve the working problems created by the industrial revolution, the united states and many countries in europe considered and/or adopted

Atypical human cell is approximately 12.00 μm in diameter and enclosed by a membrane that is 5.000 nm thick. (a) what is the volume of the cell including the membrane? (b) what is the volume of the cell membrane? (c) what percent of the total volume does its membrane occupy? to simplify the calculations, model the cell as a sphere. enter your answers using four significant figures.

Which of these statements are true about scientific theories and hypothesis