2. Answer the following: 1. Your elder cousin burns his hand while ironing
What do you do first?
2. Sumi went cycling with her friend to the nearby
park. Her friend fell off the bike in the middle of the
road. What must she watch out first?​

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).

your answer is a. the enthalpy of formation for a pure element in its standard state is always positive.