<em>Bonjour,</em>
<em />
Flavie :<em> Qu'est-ce que le surf nécessite ?</em>
Xavier : <em>Pour apprendre le surf, il est nécessaire de savoir nager.</em>
D. Qu’est-ce que le surf nécessite?
First of all: I cannot see the entire problem.
Second: This is posted in the wrong category. You have posted it in the French category, while clearly you have a Mathematical problem to deal with.
I would suggest changing the category so that people like me would be able to help you. I wish you all the best!
<em>Bonjour,</em>
<em />
<em>9. "Pourquoi" vas-tu à la librairie ?</em>
<em>10. "Parce que" je veux acheter un livre en français.</em>
<em>11. Ils se souviennent des musées au Canada.</em>
Answer:
1. Wash your hands.
2. sneeze or cough in your elbow / arm.
3. Stay at least two feet from someone.
Explanation: