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
Answer:
Tartar.
Explanation:
Dental plaque may be defined as the development of mass or biofilm of bacteria that grows on teeth surface. This plaque may present on teeth, between the teeth and on teeth front.
The plaque is first colorless but when it changes to dental calculus or tartar, the color of plaque becomes yellow or pale brown. This causes dental problem and different dental disease.
Thus, the answer is plaque.
<span>Anthony Ortega was
suffering from an accumulation of blood in the pleural cavity. this condition
is known as hemothorax. It is <span>characterized by
pleural fluid hematocrit values greater than 50% of peripheral blood. The main
causes are trauma, iatrogenic factors, malignancy, anticoagulation therapy,
pulmonary infarction, and aortic rupture.</span></span>
Not sure about the answer but I think its the size of the system
