According to the big bang theory, how long ago did the universe begin? 5 to 10 billion years ago 13 to 15 billion years ago 23 to 25 billion years ago 30 to 40 billion year ago

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.

Round seeds and yellow seed color are dominant to wrinkled seeds and green seed color. which punnett square represents the correct way to set up the cross rryy  ´  rryy? 

The distribution of related animals and plants across the world