One of the major factors was the availability of animals: the Old world had horses and other animals which were suitable for travel and carrying of goods, and contributed greatly to the technological advancement there. The new World also had horses, but they were extinct and we only know about them from archaeological excavations: so they couldn't be used by the more recent civilisations.
False. Miller and his partner, Urey, were never able to produce a single living cell in their experiment. He was only able to create very simple amino acids.
Answer:
<em>From what I know, it is B.</em>
Explanation: Hope this helps..
the answer is a microscope .
pls mark brainliest
