-Identify the following whether it is Physical or Chemical change. 1. freezing
6. burning of paper
2. burning wood
7. digestion of food
3. melted ice cream
8. evaporation
4. boiling water
9. sublimation
5. condensation
10. Exploding firecrackers
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Which is a character of nuclear fusion but not nuclear fission

Agas in a balloon at constant pressure has a volume of 160 ml at -125*c. what is its volume at 29.0*c?

Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?