下列何者為厭氧培養箱的氣體條件?
70% \mathrm{N}_{2}, 20% \mathrm{CO}_{2}, 10% \mathrm{H}_{2}
\mathrm{N}_{2}
\mathrm{CO}_{2}
\mathrm{H}_{2}
90% \mathrm{N}_{2}, 5% \mathrm{CO}_{2}, 5% \mathrm{O}_{2}
\mathrm{O}_{2}
85% \mathrm{N}_{2}, 10% \mathrm{CO}_{2}, 5% \mathrm{O}_{2}
85% \mathrm{N}_{2}, 10% \mathrm{H}_{2}, 5% \mathrm{CO}_{2}