Answer:
Something
Explanation: It is something
<u>Which types of proteins help defend the body against foreign agents like bacteria?</u>
<u>antibodies</u><u> </u>
<u>it's</u><u> </u><u>simple</u><u>.</u><u>.</u><u>.</u>
Vacuoles are <span>large saclike, membrane enclosed structure - store materials like water, salts, protrins, and carbohydrates - like a storage unit</span>
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.