By definition, a biological diversity is commonly defined as the term in which all species of living organisms are living in a specific region, provided they are beneficial to one another and the food chain is balanced. In addition to that, the correct definition of the term among the choices provided would be letter B.
Answer:
Obsidian is not a mineral as the atoms or molecules in obsidian do not have a crystalline structure.
Explanation:
Obsidian originates naturally and is formed by igneous rock.
When felsic larva comes out from the volcano,it rapidly cools down and thus form obsidian.It is pure black in color but some times color differ due to presence of some impurities.
It is brittle,but hard.It is not a mineral and is called as mineraloids and is not found in crystalline form,.
The main constituent is SiO2.
It is found in the margin of rhyolitic lava.
Do you mean semi-aqueous gypsum calcium?
Is called a semi-aqueous gypsum calcium sulfate, as the formula: CaSO4 * 1/2 H 2 O molecule of water is half (hemihydrate), contains sulfur (sulfate), and calcium (Ca).
Gypsum is a common name because it is used in construction.
The answer is B. Equilibrium means a state in which opposing forces or influences are balanced.
ZnCl2 is the chemical formula, hope this helps.