2. Meals were usually cooked with wood, and homes were ordinarily heated the same way.
nouns: Meals, wood, homes
pronouns: -----
adverbs: ordinarily, usually
verbs: were, cooked, heated
and adjectives: ---
3.When gas, oil, and electricity became cheap and plentiful, they effectively replaced wood
as the principal form of producing heat.
nouns: gas, oil, electricity, wood
Pronouns: they
Adverbs: effectively
Verbs: became, replaced, producing,
Adjectives: cheap, plentiful,principal