The correct answer is - quartz.
The quartz is a light colored, transparent mineral, with hardness of seven, and is characteristic that instead of cleaves it has fractures. This mineral is composed of silicon and oxygen atoms, which make a tetrahedral structure. It is the second most abundant mineral in the Earth's crust, just after the feldspar.
Assignable means legally transferable to the ownership of another. Natural variation<span> is a valuable source of beneficial traits for plant breeding.</span>
The phospholipid no later regulates the amount of water that travels in and out of the cell.
Answer:
because only plant have stomata