Answer:
This ancient tool revolutionized farming. Thanks to the plow, early farmers were able to till more land faster than before, allowing them to produce more crops in a shorter time. ... The plow also helped to control weeds and bury crop residue.
Explanation:
the second choice Mao's Red Guards started harassing Chinese intellectuals who supported capitalism.
Answer:
A moderator is responsible for controlling a panel.
Explanation:
The moderator of an event controls the pace of the event and ensures panelists responds to questions in an orderly and controlled manner. He allocates time to panelist and ensures they respond within the stipulated time. He also has a responsibility to the audience to make sure the conversation is meaningful to them.
Allows us to compare the value of goods and services
