Which of the following is a clue of a chemical change? a. balls of wax form when melted wax is poured into ice water b. gas bubbles form in boiling water c. a gas forms when vinegar and baking soda are mixed d. iron changes color when heated

In the air and in the lower fre ah water

Ithink its false. hope this : )

U. life is what you go through to become a better person. it makes you stronger, wiser, and more creative. it can be hard but its ok. because i believe everyone was put here for a reason. whether or not you know that reason you should always look towards the future and trust in god for a better tomorrow.be safe and blessed

Plants take energy from the sunlight with the of chlorophyll so the plant starts the food chain. then an herbivore eats the plant and gets its energy.then a carnivore or a human eats the herbivore and gets its energy. : )