In my opinion mixed layers would be the best choice
Cant tell you the types, but they form from the weather elements, from being compressed, etc
Answer:
living things do not reproduce
News stories are basically divided into two types: hard news and soft news. Hard new generally refers to up-to-the-minute news and events that are reported immediately, while soft news is background information or human-interest stories. ... One difference between hard and soft news is the tone of presentation.Oct 13, 2011