Q 1. Which statement about agroecosystems is true? • Monoculture decreases the use of chemicals.
• Agriculture does not change the natural environment.
• Agroecosystems have low species and habitat diversity.
• Agroecosystems are similar to natural ecosystems.

the correct answer is d

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.

which