Natural hazards

What is a natural hazard?

• It is a threat of naturally occurring event will have a negative effect on humans.

• It is the unjust or prejudicial treatment of different categories of people or things, especially on the grounds of race or age.

• It is a characteristic of the relationship between humans and geologic processes.

How do we call the negative effect that occurs on humans?

• Geological process

• Natural hazard

• Natural disasters

Are the result of naturally occurring processes that have operated throughout Earth's history.

• Natural hazards

• Technological phenomenon

• Human actions

____________ affect every human on the Earth all of the time, but are most noticeable when they cause loss of life of property.

• Geological processes

• Earthquakes

• Ecologic phenomenons

Select the definition of floods..

• a prolonged period of abnormally low rainfall; a shortage of water resulting from this.

• A sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust or volcanic action

• An overflowing of a large amount of water beyond its normal confines, especially over what is normally dry land.

When was the UNESCO founded?

• After the first world war

• After the second world war

Why was UNESCO founded?

• To protect the human rights.

• To create new missions in educations and schools.

• To create and maintain peace through economic, social or political agreements.

What does UNESCO means?

• Public Education Service

• National Medical Arbitration Commission

• The United Nations Educational, Scientific and Cultural Organisation

Which are geological phenomena?

• earthquakes, Volcanic eruptions, tsunamis, subsidence of earth, landslides.

• Tropical cyclones, extreme rains, floods by rain, snowstorms, frosts, droughts.

• pests, epidemics, air pollution, water, soil.

Which are health-ecological phenomena?

• fires, radiations, spills, biological contamination.

• pests, epidemics, contamination of water, air and land.

• social discomfort, sabotage or attack, vandalism.