Answer the following(5x1=5)
21.Why is aluminium used to make aeroplanes?
22.What is a Grampanchayat?23.When and where was MahatmaGandhi born?
24.Name the two main factors that determine the climate of a place.
25.What is matter?
Answers
Answer:
21-Aluminum is ideal for aircraft manufacture because it's lightweight and strong. Aluminum is roughly a third the weight of steel, allowing an aircraft to carry more weight and or become more fuel efficient. Furthermore, aluminum's high resistance to corrosion ensures the safety of the aircraft and its passengers.
22-Gram Panchayat is a basic village governing institute in Indian villages. It is a democratic structure at the grass-roots level in India. It is a political institute, acting as cabinet of the village. The gram-Sabha work as the general body of Gram Panchayat
23-2 October 1869 Birth at Porbandar
24-The two most important factors in the climate of an area are temperature and precipitation. The yearly average temperature of the area is obviously important, but the yearly range in temperature is also important. Some areas have a much larger range between highest and lowest temperature than other areas
25-In classical physics and general chemistry, matter is any substance that has mass and takes up space by having volume.