Answer:
Applications of Chemistry:
Chemistry plays an important and useful role towards the development and growth of a number of industries. This includes industries like glass, cement, paper, textile, leather, dye etc. We also see huge applications of chemistry in industries like paints, pigments, petroleum, sugar, plastics, Pharmaceuticals.
C. FLOOD STAGE is reached when the water level of a stream or river exceeds its natural banks.
Flood stage is a level at which a body of water's surface has risen to a sufficient level to cause sufficient inundation in areas that are not normally covered by water, causing inconvenience or a threat to life and/or property.
The coins in 1991 had more copper in them compared to the coins today. So, that is why it worth 3.3p.
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Answer:</h3>
Trough
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Explanation:</h3>
We need to answer the following questions
What is a wave?
- A wave refers to a transmission of a disturbance from one point to another. It involves transfer of energy from the source to other points.
What are the major types of wave?
- Waves may be classified as longitudinal waves or transverse wave based on the vibration of particles relative to the direction of transmission.
What is a transverse wave?
- A transverse wave is a wave in which the vibration of particles is perpendicular to the direction of transmission of the wave.
- This type of wave contains highest points known as crests and lowest points known as troughs.
Lead Oxide
Pb is Lead
O is Oxygen
I hope this helped