Answer:
yup it can be considered as the physical property like as if the solid is hard it can hurt to so it has the property of being hard and behavior of being hurted
Answer:
C. Sometimes molecules need to move from low to high concentrations.
Explanation:
What are you writing write full
The speed of the cross country runner is equal to 4 km/min.
<u>Given the following data:</u>
To determine the speed of the cross country runner:
Speed can be defined as the distance covered by an individual per unit time and it can be measured in kilometer per minutes (km/min).
Mathematically, speed is given by the formula;

Substituting the given parameters into the formula, we have;

Speed = 4 km/min.
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