The answer should be the third option "number of protons and neutrons." The atomic mass of a element is equal to the amount of protons, and neutrons added together in that element. So for example if we are trying to find the atomic mass of hydrogen you would add the total amount of protons and neutrons together to find it's mass although it doesn't equal the exact amount of it's mass but it's close.
Hope this helps.
Answer:
Hope this helps :)
https://www.sciencedirect.com/topics/engineering/nitrogen-source
Think this is the website you're looking for
Explanation:
I don't think it will work.
Fish breathe with gill not lungs. Unlike lungs, gill works one way. You breathe out air out of you mouth but fish dump the water from their gill so they shouldn't be able to push water out of their mouth.
Even if the could fish push the water through their mouth, the gas exchange didn't happen because the water didn't move through the gill. The fish that giving water cannot breathe while giving resuscitation.
Answer:
The sun gives energy to the producers(plants) then those plants are consumed by other members of an ecosystem for their energy
Explanation: