What label is missing from this diagram?
Sun plankton fish and ocean animals

What are three uses of the yangtze river by the people living among the river

Answer quickly! correct answers only! how did an agricultural surplus relate to expanded trade during the high middle ages? a)trade increased because surplus crops could be traded. b)trade decreased because surplus crops were needed to feed local populations. c)trade decreased because surplus crops led to an oversupply of grains that could not be sold. d)trade increased regionally but decreased globally because trade networks had shrunk.

The areas with the highest population density in europe are most likely to be