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1) _______ is one of the world problem caused by an exothermic reaction A RecycleB Water pollution C Global warming D Flash flood 2) Which of the following is the most suitable material to remove nail varnish?A Alcohol B Kerosene C Ether D Acetone 3) What will happen to the planet, if the Sundisappears suddenly?A The planet will move around the asteroid.B The planet will die.C The planets will keep moving in their own orbits.D There is no more powerful gravitational attraction from the Sun that keeps the planets in its orbit. Eventually, the planets will slip out of its orbit and move along the straight line.4) Which of the following is the uses of ultrasound?i. show the shape of waveii. estimate the depth of the seaiii. examine the condition of the foetus iv. measuring period or frequency A i and ii B iii and iv C ii and iii D i and iv​

Answer»

1) C. GLOBAL WARMING 2) D. Acetone3) D. There is no.............Line4) Sorry mate DONT know .



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