Answer: The answer is "New farming techniques leading to more food."
Explanation: It is the only one that is related to agriculture.
The answer is going to be b? hope that helped
Geographic, physical and social factors. Geographic factors such as location, Physical factors such as mountains , rivers, lakes, etc. and socail factors such as language, culture, customs, etc.
Hope this helped.
Samuel Morse was knowed by B. Inventing the telegraph
Answer:
Corroboration. When you are analysing a source, it is helpful to compare what information it provides when compared with other sources. This helps you to more successfully evaluate your sources, especially in regards to their accuracy.
Explanation: