Science ! 1. which of the following represents a chemical change? mowing of grass sublimation of ice dissolving sugar in water charring of a marshmallow 2. if a physical change has taken place, which of these is most likely true? a permanent change has taken place. the changed substance retains its unique properties. atoms rearrange to form a new substance. the molecular composition of a substance changes.
Answers: 2
Biology, 21.06.2019 19:30, keving4three
1. the is the thinnest part of the earth. 2. the is the thickest part of the earth. 3. what metals are mentioned in the text?
Answers: 1
Biology, 22.06.2019 03:00, keke0529
1. watermelon, papaya, oranges, bananas, and lemons are included in this food group. vitamin c 2. you need 6 or more servings of this food group each day vitamins d and a 3. found in fruit and keeps blood vessels healthy calcium 4. vitamins found in milk bread and grain 5. a mineral that strengthens bones fruit
Answers: 3
Biology, 22.06.2019 07:30, gildedav001
Nh3 +02-no + h20 is unbalanced what is the balanced equation
Answers: 2
Science ! 1. which of the following represents a chemical change? mowing of grass sublimation of i...
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