Human being can neither change the sun's radiation nor the earth's orbit around the sun. But they can control the increase in the amount of greenhouse gases and its effect on the atmosphere. Only during the last hundred years the carbon dioxide concentration has been raised alarmingly in the atmosphere and we humans can be held responsible for this. The main cause of the increase in carbon dioxide level in the atmosphere is the burning of fossil fuels. Since the end of the 19th century, industrial activities increased rapidly giving rise to many factories. These factories required energy, which was produced through the combustion of coal. Besides coal, other sources of energy such as mineral oil and natural gas were also burned to heat our houses, run cars and airplanes or to produce electricity. Nowadays, about 85 million barrels of crude oil are burned daily. Every time a fossil raw material is burned, it releases carbon dioxide into the air. Therefore, it is clear that mor...
Robin received a letter. He read the letter over and over. He was very excited. It came from his aunt Amina. Aunt Amina and her family live in the countryside forty miles away from Dhaka. Robin ran to his mother and said, "Mom, listen to this letter." He then read it to her. Master Bari Banchharampur B. Baria 10 June, 2025 Dear Robin, We are happy to know that your summer holiday is starting from the next week. We would like you to come and stay with us for a few days. We know you’ll like the country. We have four ducks, six chickens, and a cow that gives fresh milk everyday. Your cousin Maher is just about your age. He's very excited and is making a lot of plans to do together. Let us know when you will arrive. We have already talked to your parents. Tell them not to worry. We'll be at the bus station to receive you. Your Aunt Amina and Uncle Karim Mo-25 The term 'global village' was first used by Marshal McLuhan. In 196...