Answer:
2
Explanation:
2 should be placed in front of Hcl so that the mass of the products and reactants be will equal.
1.burning
2.combustion
3.polymerization
4.fermentation
I think the correct answer from the choices listed above is the first option. The male <span>reproductive system is different from other body systems in a way that </span>it isn’t necessary to vital signs. The vital signs are <span>Body </span>temperature, Pulse<span> rate, </span>Respiration rate<span> (rate of </span>breathing<span>) and </span>Blood pressure which does not include the male <span>reproductive system.</span>
Answer:
abiotic
Explanation:
because abiotic means non living tjings