Answer:
Lichen colonization of a rock field exposed by a retreating glacier(Primary Succession)
Explanation:
some examples of secondary succession:-Fire, hurricane, tornado
,Human disturbances: logging, mining, farming
- Changes that occur in an existing area
- Soil was already present
- -Rapid growth
Can you take a closer picture please.
The danger of blood collecting inside the pericardial sac after blunt chest wall trauma is that: the heart cannot contract as effectively.