This happens because of the clouds in the sky that cover a portion of the moon,
Answer:
organisms that have a nucleus
Explanation:
eukaryotes have nucleus.
Answer:
I believe it is C
Explanation:
Scientists are still testing this theory so I believe it is a hypothesis.
Forgive me if I am incorrect.
Answer:
D. organ systems
Explanation:
Organs and tissues that perform the same function are called organ systems
How to negative a sentence
