4. Why is soil considered an important resource give any three reasons?
5. How does river water get polluted explain.
6. identify any three equal logical problems caused by building large dams?
list
Answers
4. Soil is made up of air, water, minerals and organic material and is one of the most important natural resources on earth. Most life on earth depends on soil as a direct or indirect source of food. Plants and animals source their nutrients from the soil and it is home to many different forms of life.
5. Sewage and waste water: sewage and waste water produced from household is directly released to the fresh water. Chemical fertilizer and pesticides: farmers are used fertilizer and pesticides for their agricultural field to protect their crops. When rains all the chemicals flew into river and get polluted.
6. The three ecological problems caused by building large dams could be soil erosion, extinction of species, loss of forests and wildlife, etc..
HOPE IT HELPS YOU...
Answer:
Soil is made up of air, water, minerals and organic material and is one of the most important natural resources on earth. Most life on earth depends on soil as a direct or indirect source of food. Plants and animals source their nutrients from the soil and it is home to many different forms of life.1
hlo Mnoj
How are you
Good Afteernoon
purple you