On 18th-century warships, which limitation to crew habitability was increased when gunports were consistently shut?

💡 Explanation

Carbon dioxide increased, because respiration elevates CO2 levels, but with restricted Ventilation rate due to shut gunports there is no sufficient exchange and escape of high levels; therefore CO2 rises rather than staying at optimum, because external exchange is insufficient

• Which mechanical limitation increased during Viking longship construction, particularly as ship size increased?
• Within historic Mughal garden systems, which risk increases when gravitational potential energy is minimized throughout underground qanat channels?
• Which risk significantly increased during extensive Bronze Age axe production run?
• Which consequence occurs when thermal cycles act on pietra dura inlay?
• Which drawback became notable as improved astrolabes enabled finer angular resolution?
• Which advantage occurred during a siege of a medieval castle because improved mortar was used in the high stone walls?