D is the best because the water pollution affects the environment
Answer:
C
Explanation:
If you drop something on the ground and watch it fall, you are observing gravity at work, so A is not an option. All data proves this law exists, so B is not an option, and it will not continue to change, as it never has changed, so it is not D.
The moon reflects light from the Sun, and the sun shines on the planets :)
I don't know if there were multiple choice answers or anything but i would say, "determined"
Answer:
Ball-and-stick models show the bonds between atoms, but not the relative sizes of atoms. Space-filling models show the relative sizes of atoms, but not the bonds between atoms.