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Disaster Management · Maharashtra Board STD 7 (MSBSHSE - Semi English Medium). 2 questions.

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Answer the following questions: [2 M]

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Question 12 Marks
What causes rain?
Answer
  1. Due to heat of the sun, water from the sea, lake and river gets evaporated and this water vapour is light in weight so it goes higher and higher and forms the cloud.
  2. At a certain level the amount of vapour in those clouds becomes very heavy and it burst and rain occurs.
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Question 22 Marks
What should be done to prevent the bunds on a farm from getting washed away in the rainy season?
Answer
  1. Grow more trees near the bunds.
  2. Grow grass strips.
  3. Make stone lines near the bunds.
  4. Use contour ploughing and tillage network method to prevent the bunds on a farm from getting washed away in the rainy season.
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Answer the following questions: [2 M] - Science STD 7 Questions - Vidyadip