PLZ HURRY IT'S URGENT!!

A student sets four bricks in sunlight as shown below (the bricks in the picture are black, white, red and green.) Which brick will get the hottest?
(I think the answer is A because sunlight attracts more to black but I'm not sure.)

A. Black brick

B. White brick

C. Red brick

D. Green brick

Imagine you are riding on a yacht in the ocean and traveling at 20 mph. you then hit a golf ball at 100 mph from the deck of the yacht. you see the ball move away from you at 100mph, while a person standing on a near by beach would observe your golf ball traveling at 120 mph (20 mph + 100 mph). now imagine you are aboard the hermes spacecraft traveling at 0.1c (1/10 the speed of light) past mars and shine a laser from the front of the ship. you would see the light traveling at c (the speed of light) away from your ship. according to einstein’s special relativity, how fast will a person on mars observe the light to be traveling? a) 0.1c (1/10 the speed of light) b) c (the speed of light) c)1.1c (c+0.1c)

When does your body conduct current more readily?

What will a positive and a negative charge do if they are separated from each other?