Question

MODEL ACTIVITY TASKS
CLASS – VII
ENVIRONMENT AND SCIENCE
Write the answers to the questions given below :
1.
Write the formulae of magnesium chloride and sodium sulfate.
2.
How do the phytochemicals present in various foods help us?
3. Explain how water keeps cool in an earthen pitcher.
4.
How does regular consumption of chowmein, egg rolls, pastry, biryani etc. harm you?
5. What is meant by a “direct combination reaction”? Cite an example of such a reaction.
6. Explain any three roles that water plays in the body of an organism.​

Answer 1

Answer:

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