Answer:
The correct option is a (true).
Reason:
Carbon dioxide and methane gas are the principle's gas components
present in magma.
<span>Nitrogen fixation
This process creates organic compounds, including ammonium, that contribute to the growth of a plant in much the way fertilizer does. Many plants have evolved to facilitate nitrogen fixing bacteria in their roots as to promote production of these organic compounds when the soil quality is poor or lacking in these bacteria.</span>
In a ring species gene flow occurs between neighboring populations of a species, but at the end of the ring populations don’t interbreed.
I am pretty sure that the answer is carbon dioxide.
