Question

Q1. Fill in the blanks.
1. The
turns into powdery material which for the turns to
2. The
roots of plants remains of animals are biotic material,
3. It takes thousands of year to form a
thick layer of topsoil.​

Answer 1

Explanation:

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Answer 2

1. Powder metallurgy (PM) is a term covering a wide range of ways in which materials or components are made from metal powders. PM processes can avoid, or greatly reduce, the need to use metal removal processes, thereby drastically reducing yield losses in manufacture and often resulting in lower costs.