Which of the earth’s four spheres is made up of the gases that surround the earth, and is located at number 1 on the image above? a. the biosphere b. the lithosphere c. the atmosphere d. the hydrosphere

The answer is C.
The only sphere that is entirely made up of gasses (and that surrounds the earth) is the atmosphere. The gasses in the atmosphere are held in place by the gravity of earth.

This is all you, but i can give you some topics that you could try. if it rained when you want to do something outdoors, it 'limits' that human activity. maybe you want to do an experiment that goes throughout the whole year and you have to have above freezing the entire year. this 'limits' your activity. i thought of those just off of the top of my head. something that gets to me that might be getting to you is you are thinking too hard about what to do. think simply, and if it is too simple, then bump it up just a little bit.

Ihave no idea what the answer is