Is there any one who is preparing fo medical entrance exam

Describe pasteur’s results and how they disprove spontaneous generation.

Paint and solvents pose no potential hazard to human health. select the best answer from the choices provided t f

Which of the following is likely not involved in this example of ecological succession? a) the rotting remains of plants add to the fertility of the soil. b)the soil becomes so fertile that eel grass is replaced by other plant species. c) the roots from plants stabilize the sediment, keeping it in place. d) the concentration of salt becomes so high that all plant life is destroyed.