keyword

where does the c in fossil fuels come from

Monthly search volume and cost-per-click data for "where does the c in fossil fuels come from" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=where+does+the+c+in+fossil+fuels+come+from&country=us" +--------------+------------------+ | volume | 30 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-03-31 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
what is the carbon	8,100	$0	9/20
where does carbon dioxide come from	1,900	$0	13/20
where does the carbon dioxide come from	1,900	$0	13/20
co2 in the atmosphere	1,600	$9.64	9/20
where does carbon dioxide naturally come from	90	$0	10/20
how carbon dioxide is released into the atmosphere	70	$0	10/20
where did the carbon in fossil fuels come from	40	$0	13/20
why do fossil fuels contain carbon	40	$0	10/20
where does carbon come from in fossil fuels	30	$0	13/20
where does the carbon in fossil fuels come from	30	$0	13/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/keyword?q=where+does+the+c+in+fossil+fuels+come+from&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt