Nitrogen is released to the abiotic parts of the biosphere from the process death and by bacteria.
It is between A and B.
But if the species is going to be extinct, that means that they are being threatened.
So the answer is B.
Answer:
why would scientists conduct investigations on a newly discovered alternative fuel?
to confirm that the alternative fuel is cleaner than fuels currently used
Explanation:
As an alternative fuel, it must be validated whether it is better than the one currently in use
<span>Crust, mantle and core (core has 2 layers) </span>
Darwin's idea of the survival of the fittest means that certain organisms are more likely to survive with they traits in particular environments. This is because some organisms are more fit to live in a given environment whether it be due to temperature, weather, or predators.
One example is that dark moths are more fit for survival than light moths in many areas because they are able to camouflage against dark tree bark.
Hope this helps.
