Pls. give me the correct 3-4 difference between national park and biosphere reserve only ?

i dont know how

3-4 CANNOT BE SUBTRACTED YOU CAN ONLY FIND DIFFERENCE BETWEEN 4-3            

A national park is an area of countryside, or occasionally sea or fresh water, protected by the state for the enjoyment of the general public or the preservation of wildlife.

A biosphere reserve is an ecosystem with plants and animals of unusual scientific and natural interest. It is a label given by UNESCO to help protect the sites. The plan is to promote management, research and education in ecosystem conservation. This includes the 'sustainable use of natural resources'.

National Park:

1  National parks are formed by Central or State Legislation.

2. No human habitation is permitted in man area.

3. Harvesting timbers, cultivation,collection of forest products are restricted. Eg.Corbet National Park.

Sanctuary:

1. Sanctuaries are formed by the order of State or Central Government.
2. Private ownership may be allowed.
3. These activities are allowed with permission. Eg. Chilika-Nalaban Sanctuary for migrating birds.

National Park:

1  National parks are formed by Central or State Legislation.

2. Status of National Park is higher.

3. No human habitation is permitted in man area.

4. Harvesting timbers, cultivation,collection of forest products are restricted. Eg.Corbet National Park.

Sanctuary:

1. Sanctuaries are formed by the order of State or Central Government.

2. Status of sanctuary is lower.

3. Private ownership may be allowed.

4. These activities are allowed with permission. Eg. Chilika-Nalaban Sanctuary for migrating birds.

THANKS 

god knows