There was no life in

The basi of life (secret of life) is

If the tension in the rope of a life is zero, then the acceleration of life is

If the tension in the rope of a life is zero, then the acceleration of life is

Exobiology refers to A. Life in outer space. B. Life of animals. C. Life of plants. D. Life of human beings on earth.

Who proposed three domains of life?Why? What are the three domains of life?