Answer:
In case Earth becomes uninhabitable.
Explanation:
If for whatever reason we are forced to leave Earth there are no other hospitable planets we could live on. By making mars more like Earth we could eventually relocate to mars.
Answer:
Option 3 is the best.
Explanation:
the concluding sentence gives it away " Olympus is but the outside of the earth everywhere"
In a physical change,cutting,tearing,shattering,grinding,and mixing will occur. If no chemical change happens,then the composition of the liquid does not change. If both aren’t involved,then nothing happens,they work together.
