If the answer is good i will mark brainliest!!be quick pls With the help of this photograph, that shows urban flooding, explain how physical and human factors can increase the risk of river flooding

Human factors increasing flood risk: urbanisation , because towns and cities have more impermeable surfaces

Physical causes of flooding:

heavy rainfall.

long periods of rain.

snowmelt.

steep slopes.

impermeable rock (doesn't allow water through)

very wet, saturated soils.

compacted or dry soil.

the thirteen colonies are:

connecticut, delaware, georgia, maryland, massachusetts, new jersey, new york, new hampshire, north carolina, pennsylvania, rhode island, south carolina, virginia

answer; round wood logs, building materials like (plywood),also pulp and paper products;