1. An enzyme is a biological it lowers the
chemical reaction and only functions in a narrow range of
energy to speed up a
&

it creates acid rain

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.

i do believe the correct answer would be the third one. location c, because earth is tilted away from the sun at this time

hope this