keyword

3 sources of co2

Monthly search volume and cost-per-click data for "3 sources of co2" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=3+sources+of+co2&country=us" +--------------+------------------+ | volume | 720 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-05-26 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
where does carbon dioxide come from	1,900	$0	20/20
where does the carbon dioxide come from	1,900	$0	20/20
three sources of co2	720	$0	14/20
name 3 sources of co2	390	$0	17/20
what are 3 sources of co2	110	$0	17/20
name three sources of co2	110	$0	16/20
what are the 3 sources of co2	110	$0	16/20
3 sources of carbon dioxide	70	$0	15/20
what are three sources of co2	50	$0	14/20
name 3 sources of carbon dioxide	30	$0	16/20

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=3+sources+of+co2&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