Question

3 causes of metamorphism

Answer 1

The three main causes are:--
1. Increase in temperature
2. Pressure
3.chemical changes



hope it'll help you...

Answer 2

Answer:

there are three types

thermal metamorphism

dynamic metamorphism

regional metamorphism

Explanation:

the the three characteristics

during mountain building process when irrigation and sedimentation of get the rate deep inside the crest and trough over large area of the large scale this process known as regional metamorphism

2: sometimes one small area gets affected by metamorphism when reacts The Rock for between the layers of rocks and only narrow bands of adjoining rocks get affected by hot magma transforms into metamorphic rocks

3: metamorphic rocks are source of many metallic minerals like gold silver diamond extra