I am pretty sure that it is the second one
Explanation:
I believe it is the second one because cetaceans are mammals. I really hope that this is right I apologize if it is not.
Answer:
B. Something made up of one cell is considered living.
Explanation:
All living things are made up of at least one cell
I can be wrong, if wrong, sorry.
<span>Stratum corneum
Some explanation:
The epidermis consists of four distinct layers: the stratum corneum, stratum lucidum, stratum granulosum, and stratum germinativum, in that order.</span>
Explanation:
your question is my answer.