I'm pretty sure you got them all right. The last one just sounds sort of specific though as Stars are made of Plasma but they don't have heat from the atmosphere. But if you're speaking of only here on Earth then it's correct.
The reason why scientits works in gropua is because to share there hyposthiese and to see if others thinks likes them and if not then they decsions why or why not. Working in groups makes them stronger as a team to creat nww things and ideas.
Hope this helps:)
Answer:
reducing waste
Explanation:
reducing the amount of waste in the environment is a good thing!
phospholipids, glycolipids and sterols
