Question

change voice trees give us oxygen secnd one is she requested him to give some money ( begin with he)

Answer 1

Heya,

Answer to your question is:-

(1.) The oxygen is given by trees.

(2.) He was requested to give her some money.

HOPE THIS HELPS YOU:-))
@Ashu

Answer 2

1. oxygen was given by trees.
2. he was requested by her to give some money.

hope this helps u....
plz mark as brainliest..