keyword

carbon dioxide used by plants

Monthly search volume and cost-per-click data for "carbon dioxide used by plants" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=carbon+dioxide+used+by+plants&country=us" +--------------+------------------+ | volume | 20 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-13 | +--------------+------------------+

All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
do plants need carbon dioxide for photosynthesis	480	$0	8/20
how do plants use carbon dioxide	170	$0	8/20
what do plants use carbon dioxide for	90	$0	9/20
how do plants use co2	50	$0	8/20
plants get carbon dioxide from	30	$0	8/20
why do plants use carbon dioxide	30	$0	8/20
do plants use carbon dioxide for photosynthesis	20	$0	11/20
what is carbon dioxide in plants	20	$0	10/20
what is carbon dioxide used for in plants	20	$0	10/20
where do plants get their carbon dioxide from	20	$0	9/20

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://api.seodata.dev/v1/keyword?q=carbon+dioxide+used+by+plants&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt