Why is the sky blue? Why does the moon appear in the daytime?
How much does the sky weigh?
How do airplanes stay in the air?
Why is water wet?
Why don't birds get electrocuted when they land on an electric wire?​

the sky is blue because of reflection of blue light of sea and ocean.

the moon appear in the daytime because light of sun is brighter than of moon

airplanes stay in the air by maintaining balance in air and gravity.

birds did not get electrocuted when they land on an electric wire because there body is non conductor.

answer: i'm not sure which is which for i get confused on it all the time but i can tell you that the answer lies with the convex and concave devices. i hope this you. have a good day and best of luck to you!

explanation:

c) up is the direction the magnetic force is acting on the charge.