Atomic mass by definition is the number of protons and neutrons.
We have eight protons and nine neutrons therefore the atomic mass must
be 17.
Hope this helps :).
Carbon Dioxide is something that is released during cell respirtion
Answer: Cells typically receive signals in chemical form via various signaling molecules. When a signaling molecule joins with an appropriate receptor on a cell surface, this binding triggers a chain of events that not only carries the signal to the cell interior, but amplifies it as well.
Explanation: