Which are characteristics of sustainable development? Select three correct answers. A preserves ecosystem services
В.
protects the soil, water, and climate
C. has no effect on wildlife or native plants
D. helps people meet their needs or improve their lives
E.
uses renewable and nonrenewable resources equally

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the answer to your question is sperm

they had the law tat factories that produces smoke cannot be built near residential buildings.

building of proper sewage system was done to ensure that the waste is carried away from the humans so that they do not get diseases from it.

also they built water systems to provide water in those areas which are drought prone.