Answer:
4. we timed ourselves during the experiment
C. Oh no! This is the last day, but it's enough
The answer to this question is b
Answer:
"When" or "Why" would both work. Were there selections? We'd need to see those first.
Answer:
Climate Change
Explanation:
Climate change is an interesting topic affecting everyone around the world. It can also open room for debate. Close off your speech with some personal connection to the audience, like how they can help.