Scientists make observations, have assumptions, and do experiments. After these have been done, they get their results. Then there is a lot of data from scientists. The scientists around the world have a picture of the world.
PTELook at the text below. In 35 seconds, you must read this text aloud as naturally and clearly as possible. You have 35 seconds to read aloud.
Recorded Answer
Current status:
Beginning in 35 seconds.