Answer:
The last one is semi-permiable
Explanation:
I believe that oxygen and silicon are the most common elements found in the Earth's crust.
Answer:
i believe its option D. The host cell.
Hope this answered your question!
Answer: D
Explanation:
A) - Makes no sense, so no
B) - Experiments in laboratories must be controlled, so no.
C) - A laboratory is a regulated environment, so no.
D) - Only D makes sense, as it is true.
