Questions

Kothagudam is in Andhra Pradesh. The sponge iron will act as a substitute for steel scrap and be used as feed stock of electric arc steel making.

Citric acid is present in tomatoes.

According to World Bank Indicator India - Land use:

• Agriculture Land - 1797090 sq. Km (about 60.4%). 

• Forest Area - 677598 sq. Km. (about 22.08%). 

• Agriculture Irrigated land - 35 %.

Sum of numbers in the outer circle in before Arc should come in inner circle patterns in the clock wise direction next Arc.

i.e, 9+6 = 15 comes in next arc of inner circle

7+3 = 10 comes in next arc of inner circle

In the same way, 4+2 = 6 comes in place of '?'.

To complete the vertical loop, the minimum speed required at the lowest point  = 5gR.

72% of the totally emitted greenhouse gases is carbon dioxide.

Hence, Carbon dioxide (Co2) is predominantly responsible for Global warming.