// Workers AI · dad joke modeWhat did CA2 say to CA1? You're a carbon copy.
CA2, CA-2 or CA II may refer to:
- Carbonic anhydrase II, a human gene
- United States Court of Appeals for the Second Circuit
- California's 2nd congressional district
- Hummel CA-2, an ultralight aircraft
- California State Route 2
- Ca II, a singly-ionized calcium that produces the calcium triplet lines in the spectrum of many stars
- Cornu Ammonis 2, a region of the hippocampus
See also
[edit]- Ca2+, a calcium cation
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