Do organisms with higher fitness mean that they have survived to and advance age

relative humidity, temperature and dew point -- are bound together in the mathematical relationship below. relative humidity changes when temperatures change. because warm air can hold more water vapor than cool air, relative humidity falls when the temperature rises if no moisture is added to the air. so i would say a

all matter is made up of atoms

in any element all atoms are the same

elements in a compound are always in a constant ratio: apex