Science, asked by ragaswamykallahalli, 5 months ago

19. One liter of water at 30°C is mixed with one liter of water at 50°C. What is the temperature
of the mixture.
20. In a race, a girl runs 100 metres in 20 seconds. What is the average speed?

Answers

Answered by rekhiavika14

0

Answer:

19...20...........

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