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Movement of wind takes place in ______ layer.
Concept: undefined >> undefined
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The atmosphere is held in place by the earth’s ______.
Concept: undefined >> undefined
The atmosphere is made of ______ different layers.
Concept: undefined >> undefined
A ______ shows the direction in which the air is moving at a particular place.
Concept: undefined >> undefined
The ozone layer protects all life on earth from the harmful ______ rays of the sun.
Concept: undefined >> undefined
Highly reactive gas was later names ‘oxygen’ by ______.
Concept: undefined >> undefined
Analogy:
Weather changes: Troposphere.
Ozone layer: ______.
Concept: undefined >> undefined
The air envelope is thicker near the earth’s surface and we go higher the density and availability of air gradually decreases. Why?
Concept: undefined >> undefined
Why do aircraft usually fly above the troposphere layer?
Concept: undefined >> undefined
Robert Hooke saw many objects like Butterfly’s compound eyes, Bee’s wings, etc.
Concept: undefined >> undefined
Matching:
| 1. | Discovery of cell | a. | Nerve cell |
| 2. | Unicellular organism | b. | spirogyra |
| 3. | Multicellular organism | c. | Robert Hooke |
| 4. | Longest cell | d. | Cyanobacteria |
| 5. | Prokaryotic cell | e. | Amoeba |
Concept: undefined >> undefined
Robert Hooke published a book named ______ in the year 1665.
Concept: undefined >> undefined
The ______ is used to move the pointer on a computer screen.
Concept: undefined >> undefined
The page on the monitor can be moved up and down using the ______.
Concept: undefined >> undefined
The data is processed in the ______.
Concept: undefined >> undefined
The output unit converts, command received by the computer in the form of ______.
Concept: undefined >> undefined
