1.)what is a chemical reaction?
2.)how do we know a chemical reaction is happening?
can you give any examples from daily life?

The smallest species of chameleon is found only on an island in madagascar the island has unique geological and climatic conditions that are essential for the chamaeleon to survive the chamaeleon was recently declared an endangered species years from now why won’t this chameleons remains make for a good index fossil

How many moles are present in 10.5 grams of nacl?

What does the law of increasing costs say? a. as you make more and more of one good or service, you will also make more and more of another. b. as you make less and less of one good or service, you will also make less and less another. c. as you make more and more of one good or service, you will make less and less of another. d. there is no change in production levels when you shift from one good or service to another