Airplanes

Thanks to the advance of technology, people’s lives have changed dramatically in the last century. The development of transportation systems such as automobiles, bicycles, and airplanes is especially a drastic change. However, I strongly believe that among these transportation vehicles, airplanes have changed our lives most. There are several reasons to support my opinion. First…

Technological and manufacturing

The meaning of word pollution means to make things dirty. Accordingly the pollution of natural resources causes imbalance in the ecosystem. Currently we have been fatally surrounded by the major issue of environmental pollution. Pollution is the addition of any foreign or poisonous substances into the environment at very fast rate than the environment natural…

Plants for medicine

Thriving of the population in mega cities is creating the demands services. And, subsequently, many jangles are destroyed every year by deforestation. Nowadays, governments manage various schedules to preserve the forests because the plants not only are the habitats of many animals, but also have significant benefits such as providing food, shelter, cover, and drug…

Animal territories or human lands

Extreme population growth is one of the inevitable fact last decades. Humans need lands for living and farming, but accessable ares with good condition for use are limited all living creatures. Animals also need to have their minimum teririories for live. If their realms became more and more smaller, they will distinct by time. Human…

Apple

The lecture explained why the computerized voting system can not replace the traditional voting system. There are the following three reasons. First of all, not everyoen can use computers correctly. Some people do not have access to computers, some people are not used of computers, and some people are even scared of this new technology….