A.Nitrogen
B.Humus
c.Manure
hope this helps
The answer is A: Collagen
You can easily remember it because the scientific name of leech is Hirudinaria. So it secretes anticoagulant named hirudin. Which help it to feed blood longer
Answer:
c. mastication
Explanation:
The scientific term for chewing food is mastication.
Mastication is the mechanical grinding of food into tiny pieces by the teeth. Mastication is essentially the scientific term for “chewing”