Plants prepare their food by a process called photosynthesis. Can we call photosynthesis is a chemical change? Explain.
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A river flows at a speed of 1 km/hr. A boat takes 15 hours to travel 112 km downstream and coming back the
same distance upstream. Find the speed of the boat in still water.
A river flows at a speed of 1 km/hr. A boat takes 15 hours to travel 112 km downstream and coming back the
same distance upstream. Find the speed of the boat in still water.
Explanation:
A river flows at a speed of 1 km/hr. A boat takes 15 hours to travel 112 km downstream and coming back the
same distance upstream. Find the speed of the boat in still water.
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6
Answer:
yes it is a chemical change bro
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