Is the following equation balanced or unbalanced?

AlBr₃ + 3K → 3KBr + Al

What evidence supports the law of conservation of energy? a) mechanical energy is converted to chemical energy during photosynthesis. b) oxygen is made from the breakdown of carbon dioxide during photosynthesis. c)energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis. d)the sun gives off light energy that is absorbed by plants.

If your blood becomes too concentrated with iona, what will happen to the red blood cells

What type of pollution does household garbage cause