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This is a chemical reaction.
chemical weathering change will most likely make a new substance
Burning is most likely chemical
Two liquids are mixed at room temperature and a gas forms.
Eggs turning into an omelette is a chemical change. When you cook eggs, they will most likely bubble or fizz. Bubbling or fizzing is a sign of a chemical change. Also, once the egg is turned into an omelette, you are never able to change it back into an egg. Physical changes are reversible, and chemical changes are not easily reversed. Eggs turning into an omelette is a chemical change. Hope I helped :)
A chemical change doesn't occur.
This is a chemical reaction.
chemical weathering change will most likely make a new substance
Burning is most likely chemical
Anywhere
Very probable a chemical change; but also physical changes can be the cause.
"toasted bread" would most likely be a chemical change, because the protein that made up the bread is changing into C(Carbon)
rainfall and temperature
It is a chemical change anytime you burn something it will most likely be chemical change because something new comes out, for example when you burn the leaves you will get ash which is something the leaves did not have before! your welcome!:)
Growing vegetables can be a chemical process. However it is most likely that growing vegetables is a physical process because the chemical composition does not usually change.
Two liquids are mixed at room temperature and a gas forms.
Photosynthesis makes a leaf green so when it turns brown it has stopped doing photosynthesis so most likely it is chemical change. Helpful enough? :|