They are filled with neon paint like the ones in the blue man group shown below hope this helps
Answer:
CORRECTION C.) EXCRETION
////B.) Digestion is the correct answer
The climate change impacts a coral in many different ways. But the main reason that could happen is if the climate were a coral lives is too cold and it begans to die. Corals have feelings toi, when they get a sense that they are going to die they try to leave but if they can't they will just die.
Answers
When doing medical research with human subjects, the following are unavoidable limitations;
It’s often impossible to repeat trials on the same subjects.
Subjects may report an inaccurate medical history.
It can be difficult to control all possible variables
There are ethical or privacy concerns to consider.
Explanation
When doing a medical research that involves human subjects it should be voluntary, informed and consent. The researchers should respect the persons treated as autonomous agents. The volunteers should be protected from physical, mental and emotional harm. The benefits should outweigh the costs.
C. Ball and socket joints
Just took the test hope this helps :)