Combustion=heat and light
decomposition=taking something away
single means one element changes
and double means two elements change l.
Answer: a biome is defined by its biogeography, temperature, and precipitation
Explanation:
U won’t get hyperthermia or a heat stroke when ur hot u use up more energy but when ur cold u use up less
1. 2Pb(NO₃)₂ → 2PbO + 4NO₂ + O₂
2. CH₄ + 2O₂ → CO₂ + 2H₂O
3. Cu + 2AgNO₃ → Cu(NO₃)₂ + 2Ag
4. MnO₂ + 4HCl → MnCl₂ + 2H₂O + Cl₂
5. Pb(NO₃)₂ + 2NaCl → PbCl₂ + 2NaNO₃
1)

2)
CuSO_4+Cu_2Cl_2\neq>
