Because the water seeped through the bag (? I don’t know the context correct me if I’m wrong)
The various atomic masses of the same element are called<u> isotopes</u>. They have the same number of protons but different number of neutrons.
It is C that is the most testable hypotheses
<span>FIXATION.In the nitrogen cycle, nitrogen is converted into many chemical forms through biological and physical processes like nitrogen fixation, ammonification, nitrification and denitrification.During ammonification, ammonium ions are released after decomposition of plants.During nitrogen fixation, nitrogen gas is changed to nitrates by nitrogen fixing bacteria in the soil.These are used by vegetation.</span>
