Answer: By volume, dry air contains 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.04% carbon dioxide, and small amounts of other gases. Air also contains a variable amount of water vapor, on average around 1% at sea level, and 0.4% over the entire atmosphere.
Explanation:
Hi There!
1. a. Toxicodendron
2. c. Eukaryotes
3. a. Felis domesticus
4. b. Plantae
5. a. Protist
6. While protists are unicellular eukaryotes can be both single or multicelled. Most protists have special organelles and a nuclear membrane which differs from bacteria.
Hope This Helps :)
A. Cell membrane would be the answer.