Question
The ear cockle disease of wheat occurs in most of the
wheat-growing parts of the world. Ear cockle of wheat is caused bySolution
explanation- ear cockle of wheat is caused by Anguina tritici
From the top of a straight pillar 20 meters high, the angle of elevation of the top of a straight tower was 45°. If the tower was 70 meters high, then ...
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From the top of a lighthouse, the angle of depression to the top and bottom of a tower is 30° and 45°, respectively. If the lighthouse is 210 me...
The angle of elevation of a ladder leaning against a wall is 60° and the foot of the ladder is 5 m away from the wall. The length of the ladder
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