Why did economic reform lead to social unrest in china

Which of the following factors would be a likely reason for low population density

Space is not completely empty. there are small particles in space. what happens when these particles come together?

Which options accurately describe life events of explorer jacques cartier? (select all that apply.) (a) cartier established a colony near roanoke island in present-day north carolina. (b) cartier named canada after the huron-iroquois word for settlement, kanata. (c) cartier led three expeditions to canada and claimed the land for france. (d) cartier established the first permanent british north american colony.