Answer:
Heat can travel from one place to another in three ways: Conduction, Convection and Radiation. Both conduction and convection require matter to transfer heat. If there is a temperature difference between two systems heat will always find a way to transfer from the higher to lower system.
Explanation:
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A hypothesis is often written as an if/then statement or prediction law theory guess. A hypothesis is also known as an educated guess.
Your answer is: Hypothesis
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Ans. 5 X 10^6
Explanation:
Here,^ represents 6 times 10 and 5 is multiplied. That is 5000 000.
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Let 
be the speed of the helicopter in still air. Let 
be the speed of the wind. Then, from the given information,
Adding the above 2 equations,
The speed of the helicopter in still air 
