Name: Methods of Prevention from Corrosion
Uploaded: 2019-07-19
Duration: 5 min 3 s
Description: Do you know how corrosion can be prevented? There are various methods such as coating with paint or plastic, oiling, alloying, galvanising and enamelling. Le...

Question

What are the causes of the changes occurring in our surroundings?

Accepted Answer

The changes in our surroundings which occurred due to natural causes and human actions.
The natural causes which impact the surroundings are as follows:
1. Heavy rainfall causes excessive water flow through the lands which changes the surrounding.
2. Earthquakes, landslides and other disasters cause huge destruction.
3. Soil erosion spoils most of the soil which causes land sliding.
4. Melting of ice, rusting of iron, lightning, raining, etc. all took place naturally.
5. Changes like the ripening of food, spoiling of milk occurs naturally.

The man-made changes are as follows:
1. Increase in population, which causes the replacement of agricultural lands with commercial buildings and apartments.
2. Cooking of food, cutting vegetables and bursting crackers are the changes occurred due to the action of humans.
3. A huge number of trees are cut down for constructing buildings.

Maharashtra Board Solutions for Chapter: Changes – Physical and Chemical, Exercise 1: Let's recall

Maharashtra Board Science Solutions for Exercise - Maharashtra Board Solutions for Chapter: Changes – Physical and Chemical, Exercise 1: Let's recall

Questions from Maharashtra Board Solutions for Chapter: Changes – Physical and Chemical, Exercise 1: Let's recall with Hints & Solutions

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