Help make Alexa smarter on Alexa Answers. Sign in with Amazon

Science

Do we need trees?


Yes! Trees filter out the carbon dioxide from the air to create oxygen

{{ relativeTimeResolver(1580949549447) }}

LIVE
Points points 77
Rating

Similar Questions
Sign in to view all similar questions
Science 2 Answers

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE