Ascratch wound which does not penetrate the skin is said to be

The answer is: An abrasion.

Explanation:

An abrasion is a wear or superficial friction of the skin caused by a scrape or friction burn. In general, abrasions are minor injuries that can be treated at home.

The answer is: An abrasion.

good thing- during decomposition the organic molecules in organic matter are broken down into simpler organic molecules that require further decomposition or into mineralised nutrients

bad thing- it can be harmful in crop productivity

his research revealed two genetically different groups of prokaryotes, which justified splitting kingdom monera into two kingdoms. the genetic and cellular differences were so great, that these two kingdoms were eventually placed into different domains in the current three-domain system.