Well for one, we used coal for electricity, water for steam engines when they were much in use, natural fossil feuls for our gasoline and oil, and we use earths oxygen/nitrogen gasses to breathe and sadly we are polluting it at a fast rate
Agglutinins is a antibody or other substance that causes particles to coagulate from another more thickened mass.
They are like security guards in that, they are very slow and lazy so to speak.
The potassium 40 to calcium or argon 40 half-life is 1.25 billion years so if this half-life is displayed then the age of 1.25 billion years would be valid. Half life is the time it takes for an isotope to decay into half its' amount and which in the process is losing its radioactivity.
Are you able to translate to English ?
It changes because of the movement of the concentration of students who breathe out CO2