C).dd offspring have a nice day
The answer is A. Mixtures can be separated by physical means
A pure substance cannot be separated.
<span>The unit cell of amazonite is made of three pairs of faces, each pair different from the others. The faces are oriented at angles to one another that are not 90 degrees. The type of crystal this is is triclinic.
Triclinic crystal system is one of the seven crystal systems, with three basis vectors. </span>
Scientists make hypothesis in order to make an educated guess on the outcome of the experiment.
To Tell how much of each reactant will be used in a reaction, we need to find which reactant is the Limiting Reagent.
All the reactants will be consumed in equal amount as that of L.R.