How is wool is formed?Name different types of coal and also give their characteristics and reasons
Answers
Answer:
1.Wool is first sheared off the sheep at sheering time usually in the spring/summer times.Then the wool goes through a lengthy process . It is first sorted to find fibers that are similar . Then it is scoured or washed to remove the dirt . This could be done in several different ways depending on what type of wool yarn or thread is desired.
2. Different types of coal are : peat, lignite , bituminous, anthracite
Explanation:
Characteristics of peat are : Peat consist of organic matter , mineral matter and water . Characteristics of lignite are : Lignite is a soft, brown , combustible, sedimentary rock . Characteristics of bituminous are : It contains moisture approximately 17 percent . Characteristics of anthracite are : Anthracite differs from the bituminous coal by it's greater hardness and lusture