What physical changes can you think of that occur as a flower bud opens wide?​

The petals of the flower will wide open. The bud will turn onto a flower.

or if you want to get scientific with it.

Explanation:

1. Its volume increases

2. Petals grow larger

3. The outer petals get a bit damaged

4. There are softer, smaller petals inside

answer: do

the 'italicized phrase' is a noun clause that is used as a direct object.

there is no sentence to look at.