Question

Q4. Change the following into active voice:
11 This notice has been altered.
2]This scientific theory has now been proved to be false.
3] It is being said that too little money is being spent on public health.
4] For a long time the earth was believed to be flat
​

Answer 1

Answer:

1. the alteration has been in notice
2. this has been proved to be false that is scientific theory