What is an RER train in Paris?

Related questions

1. What does lactate threshold mean?
2. What is lactate in biology?
3. Why RQ in anaerobic respiration is infinite?
4. What does respiratory quotient measure?
5. What does an RER of 1 mean?
6. What is maximal exercise?
7. What does RQ value mean?
8. Why does RQ increase during exercise?
9. What is a Respirometer and how does it work?
10. What is the purpose of lactate?

Tags

1. #underground
2. #beyond
3. #heart
4. #suburbs
5. #paris
6. #airport
7. #connecting
8. #commuter
9. #ground
10. #train
11. #outlying
12. #popular
13. #level
14. #destinations
15. #versailles
16. #express
17. #centre
18. #disneyland
19. #subway