Mrs. Jones, the president of the Garden Club, addressed our homemaking class. The part underlined above is a relative clause

a sentence connector

a sentence modifier

an appositive

none of these

which word is underlined

1) i we aren't tired, we will go to the forest.

2) you will not see many old oak-trees, and animals will disappear if you don't care of them?

i don't understand the question.