Answer:
1. CaO + H₂O ----> Ca(OH)₂
Compound ----- Compound
2. 2 Na + Cl₂ ----> 2 NaCl
Element ----- Element
3. 2 SO₂ + O₂ ----> 2 SO₃
Element ----- Compound
Tropic levels have most energy
Answer:
Nutrients arw compounds in foods essential to life and heath
Answer:
Newton's second law of motion
F = ma
B) Equal to the number of protons