Answer:
c
Explanation:
if it was no change it would not make sense, but c
Answer:
If you are prepared to call that egg a chicken's egg, then the egg came first. Otherwise, the chicken came first and the first chicken's egg had to wait until the first chicken laid it.
Explanation:
Answer:
In practice there is a strong relationship between economics and politics because the performance of the economy is one of the key political battlegrounds. Many economic issues are inherently political because they lend themselves to different opinions. Many economic issues are seen through the eyes of political beliefs.
Explanation:
Answer:
For many years scientists have studied our own solar system. But until the last few years, we knew of no other solar systems. This may seem surprising, as the Sun is one of about 200 billion stars (or perhaps more) just in the Milky Way galaxy alone.
Explanation:
The answer should be D, Ethanol becuase ethanol is a renewable energy unlike the other options.