geog question about river

1 Using a table to compare the characteristics and the landforms at different sections of the river
3 choose one river each from Hong Kong and china, introduce the following aspects:
·Name
·Location
·Area of the river flow past
·Landforms
·Impact on the people (positive and negative)
·Others
4 compare the similarities and differences between the river in Hong Kong and China

pls answer my question as quick as possible...it is very difficult to do!!THX