Answer:
Hemangioma
Explanation:
Hemangioma usually refers to a non-cancerous type of tumor that occurs due to the abnormal growth of blood vessels. It can occur in any parts of the body, but they very are mostly present in the neck and he face portion. They can present right from the time of birth, but they usually develop in the body of the babies within the first few months after the birth of a baby.
It generally occurs in two types, namely-
- Capillary hemangiomas- It occurs in the outer skin layers
- Cavernous hemangiomas- It occurs in the deeper skin layers, and also mostly near and around the eye.
The correct answer is a nutrient runoff.
Nutrient runoff is a major reason for eutrophication of surface waters, in which extra amount of nutrients, generally phosphorus or nitrogen, instigate growth of algae. Sources of nutrient pollution involve surface runoff from pastures and farm fields, emissions from combustion, and discharges from septic tanks.
