What role did the dust bowl have on the history of soil conversion

How did the miller-urey experiment impact the way scientists think about the origins of life? use what you know about the miller-urey experiments to discuss the factors needed for life to arise, and speculate on whether life could arise on another planet.

If you have a difficult time knowing where your hand is without looking at it you may be having a problem with your what ?

The cluster of developing cells from conception until birth is called an