Answer:
WBC.
Explanation:
WBC have cells, hence the name White Blood CELLS. They also contain a nucleus.
A is for sure an answer , i’m pretty sure C -ISNT- an answer . for b and c, someone can comment on it.
They printed or wrote words on paper. I don't know.
Answer:
Characteristics that have helped humans survive major changes in the environment are their brains and body. Human's social cooperation with tool making always increases.
