Migration increased the slum areas in cities which increase many problems such as unhygienic conditions, crime, pollution etc. Sometimes migrants are exploited. Migration is one of the main causes of increasing nuclear family where children grow up without a wider family circle.
Old growth forests are often more ecologically valuable because they provide Habitat.
Explanation:
Old growth Trees are the trees that never faced any disturbance or shifting from one place to another. They grow where they were sown without any hurdle. Whereas the second growth forests consists of trees which faced disturbance of either shifting or cutting, etc.
Ecologically, old growth trees are more valuable because they provide habitat. Habitat is the atmosphere or natural environment where organisms or species live. Species make such places their habitat where they can find food, shelter, protection and mates to continue their reproduction process.
The habitats are found in the old growth trees in a range of tree sizes, large logs and trees with hollows. Its easy for organisms to live longer in the trees which encounter no disturbance and the natural environment continue to work.
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Muscle ischemia is the pathophysiologic alteration precedes crush syndrome after prolonged muscle compression
Physiological and the anatomical studies show that when irreversible muscle cell damage starts after 3 h of the ischemia and is nearly about complete at 6 h. These muscle is going to changes are paralleled by the progressive of microvascular damage.
The most common symptom of the myocardial ischemia is called as angina (also called angina pectoris). This is the chest pain (similar to the indigestion or the heartburn) that feels like: Chest discomfort and some Heaviness.
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Answer:
1) Likeness: Likeness of members in a social group is the primary basis of their mutuality.
2) Interdependence: It is not possible for human being to satisfy his desire in isolation.
3) Cooperation: If the members of the society do not work together for the common purposes, they cannot lead a happy and comfortable life.
