They both are located in INDIA.
The environment can change human behavior in many ways. Like for example you want to go out with your friends because the weather is fine but suddenly the environment changes and you have to cancel your plans.
The connection between humans and environment have to to with the study of geography in way that both humans and environment are interconnected to each other because both are part of ecosystem and looking at geography, it is the study of the relationship between the human and its environment.
The correct answer is - c. main sequence.
The Sun is the star in the Solar System. It is a star that at the present is in the faze of a main sequence star. It's light is between the yellow and white spectrum's, with the whitish being more prevalent.
It is a star that accounts for 99.86% of the total mass in the Solar System. It is by far the biggest object in it, and the only one that emits light. The Sun is also crucial for the existence of life on Earth, as it is the one that is warming up our planet.