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What will happen if we go on cutting trees.
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What will happen if the top layer of soil is exposed?
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What are the causes of deforestation?
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Explain how deforestation leads to reduced rainfall.
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Write short notes on the following.
Cytoplasm
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Write short notes on the following.
Nucleus of a cell
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Which part of the cell contains organelles?
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State the difference between eukaryotes and prokaryotes
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Where are chromosomes found in a cell? State their function.
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Explain why chloroplasts are found only in plant cells?
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Give two examples of situations in which you push to change the state of motion of objects.
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To draw water from a well we have to ______ at the rope.
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To move a loaded trolley we have to ______ it.
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An archer stretches her bow while taking aim at the target. She then releases the arrow, which begins to move towards the target. Based on this information fill up the gap in the following statement using the following terms.
While the arrow moves towards its target, the forces acting on it are due to ______ and that due to ______ of air.
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In the following situations identify the agent exerting the force and the object on which it acts. State the effect of the force in case.
Squeezing a piece of lemon between the fingers to extract its juice.
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In the following situation identify the agent exerting the force and the object on which it acts. State the effect of the force in case.
Taking out paste from a toothpaste tube.
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In the following situation identify the agent exerting the force and the object on which it acts. State the effect of the force in case.
A load suspended from a spring while its other end is on a hook fixed to a wall.
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In the following situation identify the agent exerting the force and the object on which it acts. State the effect of the force in case.
An athlete making a high jump to clear the bar at a certain height.
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Friction opposes the ______ between the surfaces in contact with each other.
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Friction depends on the ______ of surfaces.
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