See "What are the causes and effects of ozone layer depletion?" in the "Related questions" section below.
Scientists say that because of the ozone. It is slowly depleting.
Thinning of ozone layer causes global warming. It also causes problems like floods too.
The thinning of ozone layer has been due to various reasons. CFC's, carbon monoxide etc are some.
anemia
Ozone contributes to Earth because it protects it from being hit by harmful ultraviolet rays. If there's no ozone, the Earth's surface will be too overheated and no one would survive.
The main two problems caused on Mount Everest by too much climbing is rubbish being left and possible errosion to the routes.
It is because too much radiation reaches earth. Trust me, I got this answer right on a school test.
Sometimes they had too big or too little floods.
Not exactly, it is caused by the cells actually freezing and dying.
Life. Its everywhere. The ozone layer protects surface life. If we could only get rid of that pesky ozone layer, then the Sun could kill us all, and the problems would all go away. You could say that the ozone layer "causes" the problem of politics, religion, the disagreements in the Middle East, everything associated with Man. How you ask the question changes the answer you get...
It is too simplistic because not everyone who has too much dopamine or too little serotonin develops a disease, and because factors other than neurotransmitters influence those diseases.
The peacock might drown when it swims in gravy.