Question

1. What are chemical fertilizers ? Write their harmful effects.
2. What are the various components of soil ?
3. Why do soil reflect on a hot summer day?
4. Explain, why soil is an inseparable part of our life?
5. What do you mean by weathering ?​

Answer 1

Answer:

1. The term “chemical fertilizer” refers to any number of synthetic compound substances created specifically to increase crop yield. Some chemical fertilizers, for example, are “nitrogenous” — containing nitrogen — while others are phosphate-based. Other fertilizers are potassium.Some of the harm chemical fertilizers may cause include waterway pollution, chemical burn to crops, increased air pollution, acidification of the soil and mineral depletion of the soil.
2. Components of soil: The four major components of soil are shown: inorganic minerals, organic matter, water, and air.
3. The soil in the farmland contains some water. On a hot summer day, this water of soil evaporates to form water vapour. The water vapour coming out of the soil reflects the sunlight irregularly due to which the air above the soil seems to shimmer.
4. Soil is an inseparable part of life because - 1. Soil is the most important natural resource for the living organisms. 2. It supports the growth of plants by holding the roots firmly.
5. Weathering describes the breaking down or dissolving of rocks and minerals on the surface of the Earth. Water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering. Once a rock has been broken down, a process called erosion transports the bits of rock and mineral away.

Explanation:

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Answer 2

Answer:

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Explanation:

Some of the harm chemical fertilizers may cause include waterway pollution, chemical burn to crops, increased air pollution, acidification of the soil and mineral depletion of the soil.

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The four major components of soil are shown: inorganic minerals, organic matter, water, and air.

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This happens as follows: The soil in the farmland contains some water. On a hot summer day, this water of soil evaporates to form water vapour. The water vapour coming out of the soil reflects the sunlight irregularly due to which the air above the soil seems to shimmer.

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Soil is an inseparable part of life because - 1. Soil is the most important natural resource for the living organisms. 2. It supports the growth of plants by holding the roots firmly

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Weathering describes the breaking down or dissolving of rocks and minerals on the surface of the Earth. Water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering. Once a rock has been broken down, a process called erosion transports the bits of rock and mineral away.

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