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!!
The
correct answer is The person would develop low blood pressure and feel faint
because the heart will be pumping less blood with each heartbeat.
<span>
The thickening of the heart muscle may block
blood flow out of the ventricle which then must work hard to pump blood. As a
result, the symptoms can include chest pain, dizziness or fainting.</span>
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<span>The model cell swells because it is in a hypotonic solution. The water enters the cell to move the glucose cells out into a solution to create equilibrium.</span>
The answer is a. accessible population because an accessible population is the portion of the target population to which the researcher has reasonable access.
