The ball is using an reaction and opposite reaction, so when you dribble a basketball you push the ball with downward force and the ground pushes the ball back up thus making the opposite reaction.
The second, fourth, and seventh answers apply. Energy in a closed system is conserved, but it can change form
Answer:
All the planets orbit the Sun in nearly the same plane.
Walk out. If it's denser than air, it'll settle to the bottom
The sunlight of all colors passes through air, the blue part causes charged particles to oscillate faster than does the red part. More of the sunlight entering the atmosphere is blue than violet, however, and our eyes are somewhat more sensitive to blue light than to violet light, so the sky appears blue.
