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

@itsthatguy

Answer 2

i think b

Answer 3

sorry dude i'm not that good with biology

if you need math help, i'm there 4 u

Answer 4

k

Answer 5

@shifuyanli

Answer 6

@clayton4christ @jagr2713 @TheAsker2002

Answer 7

@inowalst

Answer 8

i think it may be A because it still has the same amount of energy, no matter what size room it is in

Answer 9

ok but im not in a rush so ill tag some people for help

Answer 10

If you give it more energy, then it'll increase, obviously

Answer 11

@jagr2713

Answer 12

@freegirl11112

Answer 13

@dtan5457

Answer 14

@Preetha

Answer 15

@jagr2713

Answer 16

@shifuyanli

Answer 17

b

Answer 18

B

Answer 19

k thx

Answer 20

w2elcome