Answer: 4.5 light years
Example;Lets say that in the dinosaur days there was a star that exploded.
after 8 light years we would see it now. (now as in 2020) So thats why 4.5
light years is more then 150 million kilometers.
Answer:
Transport of sediments causes them to become rounder as their irregular edges are removed both by abrasion and corrosion. Beach sand becomes highly rounded due to its endless rolling and bouncing in the surf.
B native elements is the class of minerals
The answer is A a warm climate and good water supply. The coastal plains are known for having a sole source of drinking water as well as a good warm climate.
I hope this helps ! <3
A: A command economy<span> is one in which a centralized government controls the means of production. ... There are </span>advantages<span> and disadvantages of </span>command economy<span> structures. </span>Command economy advantages<span> include low levels of inequality and unemployment and the common good replacing profit as the primary incentive of production.</span>
