GEOLOGY

EARTH SCIENCE

NATURAL HAZARDS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Wildfires can occur from ____ in the forest.
A
rising water
B
lightning strikes
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Lightning is the major cause of natural ignition of wildfires worldwide and produces the largest wildfires in some regions. Lightning strokes produce about 5% of forest fires in the Mediterranean basin and are one of the most important precursors of the largest forest fires during the summer.

Detailed explanation-2: -Wildfire, also called forest, bush or vegetation fire, can be described as any uncontrolled and non-prescribed combustion or burning of plants in a natural setting such as a forest, grassland, brush land or tundra, which consumes the natural fuels and spreads based on environmental conditions (e.g., wind, topography).

Detailed explanation-3: -Lightning happens when the negative charges (electrons) in the bottom of the cloud are attracted to the positive charges (protons) in the ground.

Detailed explanation-4: -Lightning bolts break apart nitrogen and oxygen molecules in the atmosphere and create reactive chemicals that affect greenhouse gases.

Detailed explanation-5: -Positive Cloud-to-Ground Lightning (+CG) Cloud-to-Air (CA) Lightning. Ground-to-Cloud (GC) Lightning. Intracloud (IC) Lightning. Cloud-to-Cloud (CC) Lightning (or intercloud lightning)

There is 1 question to complete.