What differs Flood from Flash Flood then? Explain your answer concisely.

Flooding is an overflowing of water onto land that is normally dry. Floods can happen during heavy rains, when ocean waves come on shore, when snow melts quickly, or when dams or levees break. Damaging flooding may happen with only a few inches of water, or it may cover a house to the rooftop. A flash flood is = A flood caused by heavy or excessive rainfall in a short period of time, generally less than 6 hours. Flash floods are usually characterized by raging torrents after heavy rains that rip through river beds, urban streets, or mountain canyons sweeping everything before them.

Explanation:

i new the first on the top of my head but the second on was on google mabye  this would help.

Floods and flash flooding Now is the time to determine your area's flood risk. ... Flash floods have a rapid hydrological response in catchments with short lag times, ... Two different types of flood hazard assessment methods were tested: (i) a ... elongation ratio and roughness index can be used to explain the flash flood types.

Contaminants or chemicals released into the drain of bathroom or kitchen will pollute the water body where the drain discharges those chemicals.

Explanation:

The chemicals and other items that are poured down the bathroom or kitchen and drain into water sources can contaminate the water sources and will cause water pollution.

These are:

Vegetable oil

Left over food residues

spices

disinfectant

Phenol

soap

sugar

detergent or washing powder

grease or any other lubricant

shampoo