How is the average amount of motion of atoms and molecules of a substance measured? A. time B. mass C. distance D. temperature

Biology

1 answer:

Zolol [24]3 years ago

7 0

Answer:

The average amount of motion of atoms and molecules of a substance measured by:

D. Temperature

Explanation:

The molecules of a substance are always in motion.
The motion is due to the energy present in them.
The energy present in these molecules is the kinetic energy.
This kinetic energy is measured by calculating the total heat energy of the substance.
More the heat energy greater is the molecular motion.
Since heat can be measured by measuring the temperature.
Measuring the temperature of a body will give the idea of amount of heat present in the body.
Thus , on measuring the temperature we can measure the average amount of motion in atoms and molecules of a substance.

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As per questions one and two, Oxygen is drawn from the air by the lungs, a part of the respiratory system. The pulmonary veins then carry the oxygenated blood to the heart (these are the only veins to carry oxygenated blood), which is then pumped throughout the body through arteries. The path followed by the oxygen is:

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