Answer:
C- a duck catching and eating a snail
Explanation:
Biotic factors involve living things. The only choice with two living beings interacts would be C.
My hypothesis will be that the enzyme pH will have a hot temperature and will make small amounts of the enzymes activity because it takes time to process.
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!!
Solar panels, windmills, hydro energy
The fly species Drosophila santomea is found only on a single small island. Thus, this fly is considered to be "Endemic".
