Answer:
Explanation:
During a physical change, the arrangement of particles may change but the mass, number of atoms and number of molecules will stay the same. ... During a chemical change, the mass and number of atoms is conserved, but the number of molecules is not always the same. Chemical reactions involve large changes in energy.
Answer:
The Cell Membrane
Explanation:
Eukaryotic Cells are membrane-bounded, Prokaryotic cells are not.
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When someone is HIV positive it is their immune system is deficient this can lead to AIDS or other serious infections
Answer:
refrain from using or disposing of (something); retain for future use.
Explanation:
Answer:
Fungi
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