Answer:
The children sailed paper boats before dinner.
Mothers call the children inside when dinner is ready.
She fell while she was playing and injured her knee.
Explanation:
Prepositional phrases are composed at least of a preposition and an object.
The word 'when' used as a conjunction means 'at the time that', and is followed by a subordinate clause.
The word 'while' is used to connect two events occurring at the same time, and is followed by a subordinate clause.
Answer: 3 yellow
Explanation: 7-4=3
Hope this helps!!Brainlist?plz
<em>Hey There!!~</em>
Corruption in African countries is hindering economic, political and social development. accessed public services, such as health care and education, paid a bribe in the previous year.
<em>Hope This Helps!!~</em>

1. The view point of this media is to tell you not to drink while driving because it's dangerous.
2. The techniques used to draw attention to this media piece is the bright red and white stripes and the cop at this dude's car and beer flowing out of the car's window.
3. The techniques are effective because it's telling you how dangerous it is and it'll help people understand this issue better.
I hope this helps.