Selenium is not a common element but is necessary.
Selenium is indeed a chemical, and more specifically, it is a chemical element. It can be found on the periodic table of the elements.
ten common organisms found in savannas are:bisonantelopeszebrasrhinocerosgiraffeskangaroosbushesgrassshrubsrabbits
Carbon
Oxygen, Sulphur, Selenium, Tellurium, Polonium, and Livermorium. Have similar chemical properties as they are all in Group VIA (16). However, the last two are radio-active and not found in the open lab.
Eubacteria are the most common unicellular organisms; they are found everywhere on Earth.
carbon and water
in rocks
Iron, copper, phosphorus, selenium and zinc are the first ones that come to mind.
Organisms are composed of the same chemical elements that are found in non living matter. The matter is the same, only the organization of that matter is different. In scientific terms, organisms contain information that other matter does not. Otherwise, there is no difference.
Selenium is a chemical element. It can be said to be a pure substance; there is nothing else found in it.
Carbon, hydrogen, nitrogen, oxygen
Nitrogen