The correct answer should be <span>Distant galaxies move progressively farther away from Earth
According to the Big Bang theory, the universe is constantly expanding and stars and galaxies and entities are moving away from each other. If a galaxy was to be moving towards earth, then that would contradict it since it should be going away from the earth and away from each other until one day the cooling begins.</span>
Answer:
d
Explanation:
the answer is going to be d
Based on this scenario, it is likely that they weren’t able
to see each other a lot of each other outside of the school as it could be seen
in the scenario above where they likely to engage many conversations, showing a
fact that they weren’t able to see each other having them to have more things
to talk to.
Answer:
4. people must make trade-offs.
Explanation:
Scarcity is the shortage of supply with respect to demand. It arises due to unlimited wants contrasted with limited resources - having alternative uses.
Scarcity : Demand > Supply
This leads to trade off (sacrifise) of something to attain anything, since the limited resources are short of unlimited wants & have alternative uses.
Eg : Having fixed money income (analogous to resources) & many commodities in consumption basket (analogous to wants); if one commodity is gained - it would be at the cost of sacrifising (trade off) some other commodity.