True or false: a change that produces one or more new substances is called a physical change

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

Red flowered snapdragons are crossed with white flowered snapdragons, producing all pink snapdragons in the f1 generation. what would you expect if you crossed pink with pink? 3/4, 1/4, 1/2 red, 3/4,/1/2,/1/4 pink,1/2, 3/4, 1/4 white

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