Which gas is forming in the test tube shown below? Photosynthesis Experiment A-Lamp B-Test tube C-Gas D-Water E-Funnel F-Green water plant

A. carbon dioxide
B. Hydrogen
C. Oxygen
D. Nitrogen

answer is: naturally occurring solid, inorganic compound or element is mineral.

minerals usually have crystalline form, that means than crystal constituents (atoms, molecules or ions) are arranged in a highly ordered microscopic structure, forming a crystal lattice that extends in all directions.

for example magnetite is a mineral of iron oxide (fe₂o₃).

calcite is a carbonate mineral and the most stable polymorph of calcium carbonate (caco₃).

dolomite is an   carbonate mineral composed of calcium magnesium carbonate (camg(co₃)₂).