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.
A. They are made of some of the same matter
ex: humans and horses are both mammals. We both of bones and grow up feeding from our mothers milk. We do not have the same dna, we are not autotrophs, and we need different amounts of energy to survive
Photosynthesis takes within the CO2 produced by all breathing organisms and reintroduces oxygen into the atmosphere. Photosynthesis is that the process employed by plants, algae and certain bacteria to harness energy from sunlight and switch it into energy
They name them usually by what they're features are in languages such as greek or latin so they help separate from other organisms. I am totally not sure if this is right but this is from what I learned and I hope that it pays off. GOOD LUCK! (:
Marine biology is the study of marine life (ocean) organisms of the sea