Single circular piece of DNA
Answer:
Earth's continents were once connected in a single supercontinent.
Explanation:
v
<span>The phosphorus cycle is a biogeochemical cycle that describes the movement of phosphorus through the lithosphere, hydrosphere, and biosphere. Unlike many other biogeochemical cycles, the atmosphere does not play a significant role in the movement of phosphorus. Phosphorus mainly comes from soil and rock on the Earth and is recycled by living organisms</span>
This design makes it easier for cars to move up the hill because its moving more so it makes it easier to get up the hill
