Because during a phase change nothing really happens. Before a phase change, energy and temperature will increase or decrease as well as after.
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Answer: Economic models<em><u> </u></em><u><em>are simplifications of reality, and in this respect economic models are no different from other scientific models.</em></u>
These are abstract idea corresponding to processes set in an economy, these are usually denoted by variables and quantitative relationships between them. These are a simplified, often numerical, hypothesis studied to elaborate convoluted processes.
<u><em>Therefore the correct option is (c)</em></u>
Answer:
D) 10 200 m
Explanation:
Speed is known as the rate of change of distance.
distance = speed * time
= 85 ms⁻¹ * 120 s
= 10200 m
