Yes humans and killer whales are mammalian so theyy reproduce. I think the alternative it's yes.
your respiration rate would increase
It practically means that the air in the city has less than a third of water vapor it could contain under the same circumstances.
Relative humidity is the ratio of water vapor that the air contains to the maximum amount it could carry at the same temperature.
When the humidity is high, the water vapor in the air is a variety more, and vice versa.
