I am inclined to say 1. core and mantle... but im not entirely sure...
sorry not much help at all!
Might be Cell Differentiation...
Answer:
• covers the body and makes up inner lining
• protects against damage, dust, bacteria
Explanation:
Mutations (changes) to the DNA within the cells.
Answer:
Lower liver border.
Explanation:
The liver is in the upper right side of the abdomen, above it is the diaphragm, beneath is the right kidney, the stomach, and the intestine. If we position our hands on the right clavicular line and bellow the umbilicus, as we move them, we will be able to locate the liber when we arrive at the upper right side of the abdomen and feel if there is any problem.