4. Observe as sentenças abaixo e escreva a palavra principal d...

4. Observe as sentenças abaixo e escreva a palavra principal de cada frase.b) a butterfly sanctuary

c) the great natural wonders of the word

d) the largest waterfall in the world

e) an unforgettable spectacle

f) the Brazilian viewing area

g) a very special environmental bird aviary

h) wildlife areas

i) the Brazilian and Argentinian banks of the river

j) five types of forest and bio-systems​