Yes...one dog has been observed to kill themselves purposefully.
Answer:
Hair has 2 checks
Explanation:
I believe because if you read it you will see
Nitrogen is not a product of photosynthesis
In the center of the centrosome
Answer: No
Explanation: Cells survive in different ways, A cell from your brain could not survive in a Petri dish for very long. It doesn't have the right pieces to live on its own.