What role does light energy from the sun serve in photosynthesis?

A
energizes electrons

B
splits carbon dioxide

C
splits water molecules

B) splits carbon dioxide( mark me brainlest!)

Explanation:

In a nut shell , the light energy from the sun is converted into Chemical energy by the plants through the process of photosynthesis. The green pigment chlorophyll present in the leaves traps light energy from the sun . This light energy is used to convert water and carbon-dioxide into Glucose and Oxygen.

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.