From facts, scientists have        that more energy is being absorbed from the sun, throwing the earth’s energy “out of balance”.

1. A.
   confirmed
2. B.
   concluded
3. C.
   concentrated
4. D.
   centred

From facts, scientists have _______ that more energy is being absorbed from the sun, throwing the earth’s energy“out of balance”.

A. confirmed　　　　　　　　　　　　　　　　　　　　　 B. concluded

C. concentrated　　　　　　　　　　　　　　　　　　　　 D. centered

From facts, scientists have        that more energy is being absorbed from the sun, throwing the earth’s energy “out of balance”.

From facts, scientists have_______ that more energy is being absorbed from the sun, throwing the earth’s energy “out of balance”.

From facts, scientists have ___________ that more energy is being absorbed from the sun, throwing the earth’s energy “out of balance”.

A. confirmed     B. concluded         C. concentrated        D. centred