Answer:
R.F.M of Iron (II) oxide :

Moles :

Molecules :

Answer: 
Explanation:Bond energy of H-H is 436.4 kJ/mole
Bond energy of C-H is 414 kJ/mol
Bond energy of C=C is 620 kJ/mol
Bond energy of C≡C is 835 kJ/mol

= {1B.E(C≡C)+2B.E(C-H) +1B.E(H-H)} - {1B.E(C=C)+4B.E(C-H)}


crop rotation, green manure, and bone meal
Explanation:
I just looked it up. hope it helps
Answer:
True.
Explanation:
Btw ya spelled mitosis wrong...
Answer: A. It reflects sunlight
hope this helps let me know if it's wrong