Remember to use the device for speaking practice. Or click on [Troubleshoot Recording] button below if facing problems.
You are in free guest mode.
Timed Practice
Revision List
Attempt History
Progress Tracking
Create a free account to unlock these tools
Practice Speaking: Read Aloud
ID: #45116
Medium Carbon Sink
The largest terrestrial carbon sink on Earth is the planet's soil. One of the big fears is that a warming planet will liberate significant portions of the soil's carbon, turning it into carbon dioxide (C02) gas, and so further accelerate the pace of planetary warming.
Accuracy Comparison for Reading Scores
Accuracy:
A.I. Scores
Speech Feedback
Your Response:
Sample Answers:
Status: A.I. Engine Standing by...
Be the first!
No community answers here yet — submit yours and help others learn.
Comments:
–