CLASSIFICATION NATURAL PHENOMENA A
Avalanches
B
Geophysical
Hydrological
Biological
Earthquakes
с
Hurricanes
D
Meteorological
Pandemics

The correct match is as follows:

A. Avalanches - Hydrological

B. Earthquakes - Geophysical

C. Hurricanes - Meteorological

D. Pandemics - Biological

Explanation:

The natural phenomenon of natural disaster category is divided into the following disaster groups:

Biological - caused by the specific living organisms sudden increase or spread in the world or a particular area such as pandemics or endemic, Geophysical - the natural disaster takes place due to tectonic or seismic activity of under the earth surface.

Meteorological - are takes place due to weather conditions such as extreme rain, drought, snow, wind, cold, or heat. Storms, hurricanes are some examples.

Hydrological - occurred due to disturbance in water bodies such as flood, avalanches and others.

white blood cells or wbc s are mainly 2 types-

1.agranulocytes

2.granulocytes

the monocytes or macrophages of agranulocytes , dendritic cells which are accessory leucocytes, and b cells which is one type of lymphocytes   identify the antigens present on the pathogen's surface. these three cells are called antigen presenting cells(apc) which are phagocytes and destroy the antigens by secreting antitoxins. besides this leukocyte is always plays vital role in the immunity of the body.