Question

Eva is in a closed dark room. She uses her arm muscles to turn on a lamp. When she moves her hand closer to the lamp, the light heats her hand. The light bounces off the pages of a book and into her eyes.
If this room is a closed system, what happens to the total amount of energy in the room?

A.
It remains constant.

B.
It increases.

C.
It decreases.

D.
It increases, then decreases.

Answer 1

@k_lynn @bohotness @undeadknight26

Answer 2

@january123

Answer 3

@january123

Answer 4

@bohotness

Answer 5

@jagr2713

Answer 6

help

Answer 7

@preetha

Answer 8

Im not sure so, I'm going to refrain from making a fool of myself. XD

Answer 9

@Preetha

Answer 10

I'm pretty sure it's B ^v^

Answer 11

Then we will take your word for it :D well, I will anyways.

Answer 12

ok ill try it

Answer 13

Okey dokey, hope it goes well!

Answer 14

k thx