An ecosystem has abiotic(no living things like water and wind) and also biotic(living things) while a community is biotic things
In southern india it is very humid is the tropical wet climate
Hey There,
The answer to your question is option B) Between 200 and 500 million years old.
These rocks are younger than the Earth and also younger than rocks found on continents. (Those rocks are 4-5 billion years old.)
Best Of Luck,
- Kai -