b
I am not that sure but I think endocrine cell don't contain blood vessels
AAG UCG GUC hope this helps
Answer:
Mineral C
Explanation:
Mineral C can scratch apalite, due to its higher hardness, but can be scratched BY feldspar due to it being slightly lower than feldspar.
Answer:
B: They are specialized
Explanation:
Multicellular organisms contain specialized cells which can perform more functions than unicellular organisms.