I think jogging/running/walking because you don't need any equipment and you can structure around it on your own time.
C because of galvination is sized
4. bc it is softer--made of a different material-- has a weaker reaction force
5. the sand would not leave footprints and would rather act as a whole
6. there is no gravity in outer space-- she can just float back to the spaceship no problem!
Sound spreads through some kind of medium. Most of the time the medium is usually air. Sound can go through walls, like when you are playing really loud music and the neighbors tell you its to loud, you can't block it because it can travel through objects. Light does not need a medium to travel with. if you put a light in a room with no windows and no cracks, and you seal off the door the light can't escape that room, but if you did the same thing with sound it would travel trough the walls.
Answer: burning of the incense and air drift in the room
Explanation: the smoke will automatically rise to the top of the room and then with air drift if would help spread further around the room and spread the smell
