Look at the text below. In 40 seconds, You must read this text aloud as naturally and clearly as possible. You have 40 seconds to read aloud
Current Status:
Beginning in 40 seconds
Answer
Global warming is defined as an increase in the average temperature of the earth's atmosphere. This trend began in the middle of the 20th century and is one of the major environmental concerns of scientists and governmental officials worldwide. The changes in temperature result mostly from the effect of increased concentrations of greenhouse gasses in the atmosphere.
