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The level of carbon dioxide (CO2) in soil air can vary but is typically around 0.3 to 1.5% by volume. This CO2 is generated by microbial respiration and root respiration. High CO2 levels can affect plant growth, while low levels can limit microbial activity.
A train travels at an average speed of 100 km per hour without stoppage and with stoppages it covers the same distance at an average speed of 80 km/hr. ...
Train ‘A’ running with a speed of 108 km/hr crosses a vertical pole in 12 seconds. Find the approx. time taken by the train ‘A’ to cross a train...
Without stopping the speed of the train is 125 kmph, with stopping the speed of the train is 75 kmph.Find the stop time of the train?
Without stopping the speed of the train is 100 kmph, with stopping the speed of the train is 80 kmph.Find the stop time of the train?
A freight train requires 17.6 seconds to pass a stationary person and 28 seconds to traverse a 260-meter-long tunnel. Simultaneously, a motorcycle can c...
A train Lucknow Express leaves station A at 4 am and reaches station B at 7 am. Another train Kanpur Express leaves station B at 6 am and reaches statio...
Without stopping the speed of the train is 130 kmph, with stopping the speed of the train is 65 kmph.Find the stop time of the train?
Two trains of same length are running in parallel tracks in the same direction with speed 90 km/hr and 120 km/hr respectively. The latter completely cro...
A train 275 metre long takes 33 sec to cross a man running at a speed of 5 km/hr in the direction same to that of train. What is the speed of the train?
