I WILL GIVE BRAINLIEST1 Social classes is a characteristic of civilization that refers to

groups of people ranked by their place in society
people who come together to learn a trade
men and women who enjoy spending time together
citizens who vote in a similar way

the answer is B

Explanation:

Sorry about those idiots from the other question

well this is what i know

Photosynthesis is the process by which plants convert energy from the sun. It is the process that allows plants to create organic molecules that they use as fuel. Here is how it works. The molecules of chlorophyll contained in the chloroplasts absorb energy in the form of light from the sun.

Explanation: So plants get the energy from the sun which is why the sun is important during photosynthesis .