You are given a sentence in Japanese. Your job is to translate the Japanese sentence into English.

[EX Q]:
[EX A]: What's the length of the coastline of these lakes?

[EX Q]: CO2
[EX A]: And we've got it worked out, and we can say, "Yes, CO2 is causing the planet to warm up now."

[EX Q]:
[EX A]:
And the interaction is crucial.