Question 1

Which of the following statements is incorrect?

a) All living things require air to breathe

b) We can feel air but we cannot see it.

c) Moving air makes it possible to fly a kite.

d) Air is present everywhere but not in soil.

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Solution

Option D is the desired option.

In order to check whether air is present in soil or not, take soil and pour water over it and within few seconds you will see few bubbles. These bubbles come due to the air spaces in the soil particles. The water poured fills up the spaces which were earlier filled with air. Now, these air particles rise up as bubbles because air is lighter than water

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Similar questions

Q. If we breath in cold air we can see our breath , but this isn't seen in plants when they breath ,in cold climate ,
why is it?

Sam and John found it interesting to discuss about air. Sam further stated that air is one of the most important things that is required for the existence of life on earth as air is needed for respiration. John was not in agreement with Sam on this statement and argued that the organisms that are found in rivers, oceans and other water bodies do not have access to air but still they continue to live.

Which of the following can be an explanation for John's query?

We can easily move our hand in the air, but not through a solid block of wood because

We cannot see air pressure but we know it exists. This is because

Question 3 (d)
Give reasons
(d) We can easily move our hand in air but to do the same through a solid block of wood we need a karate expert.

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Question 1 Which of the following statements is incorrect? a) All living things require air to breathe b) We can feel air but we cannot see it. c) Moving air makes it possible to fly a kite. d) Air is present everywhere but not in soil.

Question 1

Which of the following statements is incorrect?

a) All living things require air to breathe

b) We can feel air but we cannot see it.

c) Moving air makes it possible to fly a kite.

d) Air is present everywhere but not in soil.