What is a traffic jam?When the number of road users on the road increases beyond the capacity of the road, the vehicles cannot move normally; such a situation is…Jun 27, 2021Jun 27, 2021
What is the greenhouse effect? And causes and effects of global warming:Changing the climate by increasing the average temperature of the Earth’s atmosphere is called the greenhouse effect. Is done. Lack of…Jun 26, 2021Jun 26, 2021
What is a computer? How does a computer work?A computer is an electronic device used to store data, and it gives fast and accurate results according to the instructions given. The…Jun 26, 2021Jun 26, 2021
What is a motorcycle?Motorcycle It is a two-wheeler, designed to transport one or two people. It is almost a car as it is a means of transportation that can run…Jun 25, 2021Jun 25, 2021
Bicycle key:A bicycle is a two-wheeled vehicle. It is called ‘bicycle’ in Bengali. A vehicle with two wheels mounted on the front and rear of a…Jun 6, 2021Jun 6, 2021
