It's the rows. They are periods. (1,2,3,4,5,6,7 - the ones without the letters).
The similarity between seen an object and seeing a shadow is their shape.
The shape of shadow of an object is always similar with object.
If object is in standing position, its image also is in standing position. The size of the shadow sometime greater than the object or less than the object. It never same.
If object is in sitting position, its image also is in sitting position.
If the source of light is on the back side, the shadows formed is in our front side and always act opposite to our activity.
For example, if we raise your left hand, the shadow appear to be raise right hand.
If the source of light is on the front side, the shadows formed is in back side and always act similar like us.
For example: if we raise your left hand, the shadow also appear to be raise left hand.
Everything changes at different position of source of light but shape never changes.
Thus, we concluded that similarity between seen an object and seeing a shadow is their shape.
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Answer:
Decreasing the concentration of N203
Explanation:
The high specific heat of water means that water absorbs a great amount of heat before its temperature changes.
<h3>Specific heat capacity of water</h3>
Specific heat capacity of a substance is defined as the amount of heat needed to raise the temperature of 1 gram of a substance 1 degree Celsius (°C).
There are substances that has low Specific heat capacity for example metals like iron while some other substances have high specific heat capacity like water.
The high specific heat capacity seen in water means that it takes more energy to increase the temperature of water compared to other substances.
Therefore, the high specific heat of water means that water absorbs a great amount of heat before its temperature changes.
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