A beaker filled with hot water in a room cools from 70°C to 65°C in t1 minutes, 65°C to 60°C in t2 minutes and from 60°C to 55°C in t3 minutes, then

A beaker filled with hot water in a room cools from 70°C to 65°C in

1.	A beaker filled with hot water in a room cools from 70°C to 65°C in t1 minutes, 65°C to 60°C in t2 minutes and from 60°C to 55°C in t3 minutes, then
A.	t1 > t2 > t3
B.	t1 = t2 = t3
C.	t1 < t2 < t3
D.	Can not be concluded
Answer» D. Can not be concluded

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A beaker filled with hot water in a room cools from 70°C to 65°C in t1 minutes, 65°C to 60°C in t2 minutes and from 60°C to 55°C in t3 minutes, then

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