unit 4

85. mining

Def. there are three main types of mining (long wall mining, shaft mining and pillar mining) they are all dangerous for humans.

 

Sent. The city is a distributing point for the

neighbouring mining region.

 

Ex1. surface mining

Ex2. subsurface mining

 

 

86.Deforestation

Def.cutting down all the trees

 

Sent.The process of reckless deforestation is perceptible in certain districts, the natives often destroying a whole tree for a plank or rafter.

 

Ex1.fires

Ex2. storms

87.Agriculture

Def.farming impacts the land in a variety of negative ways but it can be done sustainably.

Sent.The region contains most of the country’s rain-fed agriculture.

;

Ex1.Farming

Ex2. sharing backyards

88.Overgrazing

 

 

Def.when there are too many herbivores for a given area

 

Sent. Overgrazing, irresponsible irrigation practices and soil erosion are widespread.

 


Ex1. no grass

 

Ex2. no food