Pollution is a problem because man, in an increasingly populated and industrialized world, is upsetting the environment in which he lives. Many scientists maintain that one of man's greatest errors has been to equate growth with advancement. Now “growth” industries are being looked on with suspicion in case their side effects damage the environment and disrupt the relationship of different forms of life. The growing population makes increasing demands on the world's fixed supply of air, water and land. This rise in population is accompanied by the desire of more and more people for a better standard of living. Thus still greater demands for electricity, water and goods result in an ever increasing amount of waste material to be disposed of.The problem has been causing increasing concern to living things and their environment. Many believe that man is not solving these problems quickly enough and that his selfish pursuit of possessions takes him past the point of no return before be fully appreciates the damage.

[单选题] WLANs are increasingly popular because they enable cost-effective connections among people and applications that were not possible in the past. For example, WLAN-based applications can enable fine-grained management of supply （71） to improve their e

[单选题]WLANs are increasingly popular because they enable cost-effective connections among people, applications and data that were not possible, or not cost-effective, in the past. For example, WLAN-based applications can enable fine-grained management of s

[单选题,共用题干题] WLANs are increasingly popular because they enable cost-effective connections among people, applications and data that were not possible, or not cost-effective, in the past. For example, WLAN-based applications can enable fine-grained manageme

[单选题]There is no reason to insult and _____ the man simply because you do not ag

[单选题]In recent years many countries of the world have been faced with the proble

[单选题]In recent years many countries of the world have been faced with the proble

[单选题]In recent years many countries of the world have been faced with the proble

[单选题]In recent years many countries of the world have been faced with the proble

[单选题]In recent years many countries of the world have been faced with the proble

[单选题]What was one problem of nitroglycerine?A.Office buildings could not be buil