the reddish brown gas is NOX, now you just think the substance reacted with iron is nitrate salt of some metal X......hope you know the Metal X ,,,
Answer:
Homologous structure
Explanation:
Homologous structures come from same ancestors but have different functions.
Answer:
the answer is A
Explanation:
I dont really have an explanation but hope it helps
Answer:
near the equator where it's hot