A Chinese leader named Sun Yat-Sen who helped China to overthrow the last dynasty : True or false

i think the answer is the one about environmental and social health.

hope this

answer: c  

the factory goes out of business, causing the workers to lose their jobs.

explanation:

determination

map scale refers to the relationship (or ratio) between distance on a map and the corresponding distance on the ground. for example, on a 1: 100000 scale map, 1cm on the map equals 1km on the ground.