The production possibilities curve is an excellent tool for showing scarcity, opportunity cost, and allocation of goods and services. The model is used to explain economic growth and efficiency for an economy (USA: EconEd 2011-19).

The production possibilities curve is an excellent tool for showing scarcity, opportunity cost, and allocation of goods and services. The model is used to explain economic growth and efficiency for an economy (Council for Economic Education? 2011)

How do strong and weak acids differ? Use lab tools on your computer to find out! Dip the paper or the probe into solution to measure the pH, or put in the electrodes to measure the conductivity. Then see how concentration and strength affect pH. Can a weak acid solution have the same pH as a strong acid solution? ...

... und die entsprechenden mathematischen Hintergründe werden in diesem Selbstlernkurs des ʺTeutolabs biotechnologieʺ (Universität Bielefeld) mittels Video, Quiz und Onlinetests erklärt. Anhand ʺoriginalerʺ Infektionszahlen aus Deutschland können mit herunterladbaren Excel - Dateien eigene Berechnungen angestellt werden. Biologisch-medizinische Aspekte sind: ...