Actinium is extremely rare; less than 1mg/t of uranium ores. Don't exist in living beings.
Earth's crust would be silica. Living things would be carbon.
There is just one Cobalt compound on living things (animals and not plants) and is the Cyanocobalamin (B12 vitamin)
Actinium exist in minute traces associated with uranium or thorium ores.
Actinium (Ac) is a chemical element.Actinoids is the name of the radioactive elements family which contain actinium.
In "The Earth is a Living Thing," the Earth is compared to various living things such as a rose, a cell, a tree, and a spider. These comparisons are used to illustrate the interconnectedness and interdependence of all living beings with the Earth.
All living things on earth can be grouped into a foodchains.
Yes, there are living things on the earth: human beings (like you), animals and plants.
plants are living things becaose they grow in the earth and come above the earth
Hydrogen, Oxygen, Carbon, and Nitrogen and the most common in living things.
Hydrogen, Oxygen, Carbon, and Nitrogen and the most common in living things.
organism
things are harmful to earth