C. Using a specific model to prove the earth moving around the Sun.
Answer:
Its B. He was sad about the execution but satisfied with the result.
Explanation:
Answer:
Trade by barter
Explanation:
This economic system is known as the oldest economic system used by humans many years before money was first printed.
In this system, individuals traded their goods for another good that they wanted. It was not uncommon to see people trade copper for wheat or to trade a donkey for a dove.
This system made people to give out what they had (which they usually had in excess) for what they wanted.
The answer is B because I just had the question not to long ago
Answer:
Thomson
Explanation:
Rutherford discovered the nucleus from which emerged the scientific table, nuclear fusion E.t.c
His work is the basis of the new technologies today