Question

1)Difference between milk teeth and permanent teeth.
2) Difference between troposphere and Stratosphere.

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Answer 1

Teeths:-

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Teeths helps us to chew. A pre-mature person has total 32 teeths.

The total amount of teeths are:-

1. Moler
2. Pre-Moler
3. Canine
4. Incisor

Milk teeth :-

• These teeths are not permanent.
• These teeth are also called deciduous teeth.
• These teeths falls and replaced by Parmanent teeths.

Permanent teeths:-

• These are strong calcium teeths which help us to chew.
• These teeths are strong and no other teeths grows if they are broken out.
• These teeths are 1st organ which takes in part of digestion which comes with age of 5 till 19-20.

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Sphere :-

They are the phases of Earths Atmosphere.

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Stratosphere:-

1. Stratosphere is a layer of Earth's atmosphere.
2. It is the second layer of the atmosphere as you go upward.
3. The bottom of the stratosphere is around 10 km above the ground at middle latitudes. The top of the stratosphere occurs at an altitude of 50 km .

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Troposphere:-

1. Troposphere is the lowest layer of Earth's atmosphere.
2. The bottom of the troposphere is at Earth's surface.
3. The troposphere extends upward to about 10 km above sea level.

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