Answer:
D mass and gravity
Explanation:
That is because The force with which an object near the Earth or another celestial body is attracted toward the center of the body by gravity. An object's weight depends on its mass (the amount of matter it consists of) and the strength of the gravitational pull
The smallest particle that an element can be divided into is the atom, which is the smallest unit of anything.
Carbon + hydrogen gas = oxygen + methanol
The eye.
Sight. Sight is the ability to sense light, and the eye is the organ that senses light.