In 2007, the population of Canada was 1.26 % 10%, the population of Mexico was 10.6 x 107, the population of Brazil vas 13.6 x 107, and the population of China was 1.86
x 10%. Which two countries have the highest population?

- "the choice that is not an indicator of a chemical change is "state of matter changes". more common than not, chemical reactions produce energy in the form of light or heat. along with energy, they also produce a new substance called the product that could be in any state of matter (solid, gas, or liquid)."

the answer is option a.