План организации — дерево

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Factors affecting the volume and the speed of a river

por veranica irene

Technoworld 2011

por suzanah sap

NGO's and uses

por Adejuwon Dami

Cleanliness, Personal Hygiene, and their Environmental Impact

por Cordelia Gonzalez

International migration

Accidental circumstances

Deportation

Lack of citizenship

Visa expiration

подтема

Deterioration of working conditions

Best conditions of work and payment

Family conflicts

Divorce

Marriage

Global climate

Health problems

Intracranial pressure

High blood pressure

Preference of cold climate

Preference of hot climate

Armed conflicts

Social conflicts

Extremism

Terrorism

Racism

Religious disagreements

Ethnic disagreements

Ecological problems

Health problem

Asthma attacks

Cardiovascular diseases

Allergy

Pollution

Aesthetic pollution of nature

Water

Air