Answer:
D. Acidification, increasing the pH of the ocean
Answer:
What animal phylum do leeches belong in?
Explanation:
Leeches are segmented parasitic or predatory worms that belong to the phylum Annelida and comprise the subclass Hirudinea. They are closely related to the oligochaetes, which include the earthworm, and like them have soft, muscular, segmented bodies that can lengthen and contract.
The survival of the cell depends on chromosome integrity.
The answer i am almost certain is true
The correct answer is B. Find the relative age of one rock layer at the giving location.