The independent variable is the thing that changed, so it would be the cleaner, the dependent is the thing that stays the same, so it would be the soap
Answer:equal to rotation period
explanaition i took the quiz and got this one right
Because the process will start and end with the same molecule.
It's not cilia because cilia found in nearly all the cells in the body.
It's not mitochondria; those are found in liver cells and others.
It's not lysosomes because those function as the digestive system in the cell.
That means the answer is flagella
Sperm are the only human cells to have flagella.
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!!
