The one is a so make it it harder next time
The correct answer is d. hunting -gathering.
Hunting and gathering was already existing before this : in fact the neolithic revolution was going away from this lifestyle and starting farming and domestication of animals.
China's History would be most likely different without the silk road because the silk road is china's most oldest trading route. Also if it has never been made, we will hardly have the lovely, fine piece of fabric, Silk.
Answer:
B- Enough nutritious food. One way you can tell this, is by how it says "nutrition" right in the word "malnutrition". How I often remember this, is how the prefix of the word, "Mal" means "Bad" in Spanish. Now, if you put the prefix and suffix of the word together, you get "bad nutrition".
Hope this helps! Maybe brainliest??