Question

A)what is meant by global warming? Explain its causes. Why should global warming be considered global environmental problem? mention any other two global environmental problems.
B) Write any four serious consequences of global warming.

Answer 1

Global warming is increases in earth 's temp. due to increases carbon dioxide content in our atmosphere. Due to increases in carbon content, more heat absorbed coming from sun by carbon content and temp. of earth gradually increase than normal every year.
causes :-excessive use of coal ,fire in forest, cutting of trees, increase number of vehicle for transportation, etc.
earth is everywhere and everyone living on earth affected by global warming whether it is india ,pakistan ,england ,usa.
if earth 's temp. increases gradually like this then condition will become so worst that glaciers on mountain melt down, water level increase in sea and land submerged into the water. Also as glaciers melt on mountain ,we do not get fresh water to drink,when land submerged in water, there is no crops ,no trees. and we have no food ,and we all and next generation will not survive on earth.


4)thebtwo other global environmenrtal problem is scarcity of fresh water availability to everyone
and second one is clean and fresh energy so that environmental do not become hazardous as small child have major seriuos diseases like asthma ,cancer,tumour