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4299 manga
Questions and answers by visitors named
4299 manga
Questions (2)
What is used as a "fingerprint" to distinguish the carbon dioxide produced from fossil fuels?
Responses A heavy carbon-13 B ozone
1 answer
24 views
Which level of the trophic pyramid consists of organisms known as apex predators?
A. Tertiary consumers B. Primary consumers C.
1 answer
33 views
