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 term to fill in the blank would be "oprn adoption". An open adoption may involve anything from a minimal exchange of information to extensive contact with the birth mother before and after the child is born. It is a form of adoption wherein the adoptive families and the biological family would have rights to a certain degree of the personal information of the adoption process and having an option of contract. In this type of adoption, the adoptive family would have all the rights to be the legal parents however the biological could have a the right to have a contract in different forms like sending photos of the child, personal visits and sending messages.
I think the answer is c but I looked it up and got this: system or thing used as an example to follow or imitate.
Answer:
Enzymes allow many chemical reactions to occur within the homeostasis constraints of a living system. Enzymes function as organic catalysts. ... By bringing the reactants closer together, chemical bonds may be weakened and reactions will proceed faster than without the catalyst.
Explanation:
