when two substances react a chemical change occurs
well it depends on the chicken if you train it to not be afraid then it wont but if you over react then it might get scred
How did the south African government react to the speech? "Wind of change".
aA change that makes you react is called a sensory feeling
No. They will not react. In fact helium does not react with anything.
Easy, chemical change.
Chickens are pretty adaptable. There are very few wild chickens that would notice any of the effects of climate change. The farmer may have to leave the heat going a few extra days in the spring or the cooling fans on more hours on the hot days but since most chickens are domestic it will make little difference.
sergery
No change.
no because an acorn is a thing and things don't hardly react to something.
compounds (:
A stimulus. ("stimuli" is the plural)