Movement of a part superiorly is that you elevates when you move a part superiorly (closer to the top of the head), like shrugging your shoulders.
I would say the answer is A I really hope this helps! :)
Treat the liquid as if it is hazardous. Inform your teacher/instructor so you will be notified of the proper disposal technique.
Answer:
Physical Change:
- Boiling water
- Breaking a pencil
- Water evaporating
- Denting a car door in an accident
- Tearing paper
- Ice melting
- dissolving
Chemical Change:
- Something rusting
- photosynthesis
- metabolism/digestion
- Nuclear power [atoms are arranged differently]
- Smashing paper with two metal balls, burns paper
- Electricity in water, breaks H2O into H2 and O2
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physical change is when there is only physical change occurring--and it can typically be undone easily,
whereas chemical change is when there is chemical change--which changes the chemical properties of something, which cannot be undone simply.
hope this helps!!
