Explain why dogs pant during hot summer days using the concept of evaporation?

Answers

Answer 1

Answer: Because dogs have their bodies covered with fur, sweating is less effective. Dogs have sweat glads in places where there is little fur. However this is not enough in some hot days. To keep the body temperature in order dogs have to rely on panting. The interior of mouth and lungs is wet, so breathing quickly speeds up cooling. It acts similarly to wind blowing on sweaty person's skin.

You can try it on your own. When you breathe heavily you will feel coolness :)

In order to evaporate (change state from liquid to gas) heat energy has to be delivered to water. The heat energy is taken from the body of dog, thus cooling it.

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Elements that are what tend to be in the what state at room temperature.

Answers

Answer:

hot

Explanation:

cause the room temperature is higher

Why is it important for scientists to measure how much precipitation is falling across the world?

Answers

scientists is the answer

Final answer:

Measuring precipitation is essential for predicting weather and climate trends, understanding impacts of climate change, and monitoring ecosystem health as it affects numerous species' habitats and the global water cycle.

Explanation:

Measuring the amount of precipitation falling worldwide is crucial for scientists for several reasons. Firstly, precipitation patterns heavily influence climate and weather patterns globally. Monitoring these patterns helps in predicting weather and climate trends accurately, which is essential for agricultural and water resource planning. Secondly, significant changes in precipitation patterns can indicate climate change. These changes have potential impacts on sea level, global temperature, and biodiversity. Therefore, understanding them plays an important role in developing strategies for mitigation and adaptation. Lastly, quantifying precipitation is also vital for monitoring the health of ecosystems, as it affects the habitats of numerous species and influences the global water cycle.

Learn more about Precipitation Measurement here:

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How could a lightbulb near an electromagnet, but not touching it, be lit? Is ac or dc required? Defend your answer.

Answers

Answer:

If the light bulb is connected to a wire loop that intercepts changing magnetic field lines from an electromagnet, voltage will be induced which can illuminate the bulb. Change is key, so to stay lit the electromagnet should be powered with AC.

Explanation:

Define the efficiency of an energy converter.

Answers

Efficiency = (output energy) divided by (input energy) .

It's always less than 1 .

Also, it's commonly expressed as a percent. To get the percent,
just multiply the number by 100.

At what water temperature will additional heat energy need to be added before the temperature will change again?A. –10°C
End of exam
B. 0°C
C. 10°C
D. 110°C

Answers

That would be 0 degrees Celsius aka the melting point of water.... If you look at the diagram I attached you notice that at 0 degrees Celsius it is flat, this is because much heat is needed at this point for water to rise to 1 degree... It is the same for the boiling point (100)

Look at the graph. During what interval is the object decelerating?A) 0-1s
B)5-20s
C) 20-4
D)40-50s

Answers

Answer:

Should be D the correct answer

Explanation:

Answer:

Explanation:

because the slope decreases

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