Leaves act like umbrellas that prevent rain water from reaching the ground.
tsunamis are caused by massive earthquakes, flooding and other natural disasters (etc) so therefore there is no possible wat that you can prevent a tsunami from happening or lessen the risk of getting one.
Low-laying areas close to water are at risk of flooding
disease
It isn't.
building on floodplains
Humans farm and that changes the land. They also build cities and that affects how water is absorbed into the soil. So yes, humans increase the risk of flooding.
All must be. If there is a body of water, there must be a risk of flooding if the circumstances are right. However, Netherlands must be at most risk, because a good proportion of the country is below sea-level, and is protected by dykes. If anything should cause a dyke to fail, the results would be catastrophic flooding.
Wearing sunglasses may lower the risk of cataracts.
Eating lots of fruits and vegetables can help lower the risk of developing any kind of cancer, including prostate cancer. Avoiding meat and dairy can also help lower your risk.
if it rains its more likely to get flooded
At risk of flooding which must be taken care of
Some risk factors, such as genetically related diseases, cannot be minimized. But minimizing other risk factors will help prevent problems with blood clots.