Question
What is the level of carbon dioxide (CO2) present in the
air within the soil?Solution
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 swimmer swims from point X upstream for 4 minutes. Then he turns and swims downstream for 4 minutes and reaches point Y. If the distance between X and...
- A journey of 250 km is partly done by walking at 5 km/h and the rest by cycling at 25 km/h. If the entire trip took 11 hours, find the walking distance.
A man travels some distance at a speed of 16 km/hr and returns at a speed of 12 km/hr. If the total time taken by him is 2 hrs 20 min, the distance is <...
Anuj covered a distance of 188 km in 8 hours. He traveled part of the distance on a cycle at a speed of 15 km/hr and the remaining distance by walking a...
The speed of a car is 25% more than that of a bike. Both of them start from a same point. After travelling for 6 hours, the speed of the bike is increas...
Speed of a car and a bus is 20 km/h and 12 km/h, respectively. If the time taken by the car to cover a distance of ‘5x’ km is 1 hour less than time ...
On travelling with 25% less speed than his actual speed, Vikram reached the destination 3.5 hours late. Find the time taken by him to reach his destinat...
- A train moves at a speed of 25 km/h and takes 16 hours to cover a certain distance. What speed will it need to cover the same route in 10 hours?
- Two ships ‘M’ and ‘N’, which were 1020 km apart, started traveling towards each other at the same time and met after 6 hours. If the speed of ship ...
Amit and Deepak are standing on point A and B respectively, which are 300km apart. Amit starts moving to and from between A and B at 25km/hr while Deepa...
Relevant for Exams:
