Uneven heats of the Sun results in different air pressures in different places.
Convection currents are the loops of moving water or air which transfer energy from one place to another place.
Convection currents influence the weather creating wind that blows clouds carrying precipitation from one place to another place.
As mountains are in high position, it gets heat faster. So, the air of mountains is warm. This warm air rises and the cooler air in the valley rushes to the mountains to replace the rising air.
Local winds stay in a smaller area whereas global winds cover larger areas.
Impact of television on social value
Television is one of the most popular devices that are used for entertainment all over the world. It has become quite common nowadays and almost every household has one television set at their place.
With the invention of television, the craze allured many people to spend all their time watching TV. People started considering it detrimental as it attracted the kids the most. In other words, kids spent most of their time watching television and not studying. However, as times passed, the channels of television changed. More and more channels were broadcasted with different specialties. Thus, it gave us knowledge too along with entertainment.
The impact of television on social values are numerous and definitely vary in positive and negative ways. Since television was first introduced it has been a very large part of our society. Television started as a form of entertainment that would be watched by the family for an hour a night as a relaxing way of getting away from the stresses of real life. Television has now turned into one of the biggest industries in the world, and has more influence than anyone could have imagined. Many people view television as a very positive form of entertainment, as it is without a doubt the most popular kind in the world.
Television can expose children to situations that they should definitely not view at young ages. Everywhere you look on television there is a sex scene or a love scene. Many parents are very anxious that their children should not be viewing this material, and at this point there are not many good ways to keep them from watching it. Television now uses a rating system for all of its shows, but that is ignored by a good percent of the population. Television also takes all people away from reading and other activities that could be done in place of the 5 hours that is spent in front of the television every afternoon and night. The majority of household women can be seen as lazy or indolent because they pass most of their time watching serials. It is seen in the present time parents are callous to their children as they are busy in Indian TV serials. Conjugal relationships have been tremendously hampered due to some particular programs telecast by some television channel as husbands or wives cannot act according to the TV programs.
Today, television is very much popular for some particular programs. In our Bangladesh, television is being watched for news and some serials telecast from foreign channels. We are Bangladeshi and our culture is totally different from others. So importing some foreign channels will destabilize our values as those programs are not suitable for our society. The way of acting, romanticism, dialogues etc that are shown on that channels, sometimes go against our values. For this reason, we are losing our values and morals as we are trying to imitate those cultures. Thus, television impacts immensely on the social values of young generation.