Answer:Copper is a mineral commonly used in electronics. Copper ore deposits were created by volcanic activity. Heat and pressure creates copper ore and deposited it in sedimentary rock layers. Copper is considered a resource.
Explanion:
its already the answer
<span>They can rais the number of crops produced in an amount of time, they can also reduce the need for harmful pesticides. However, they may cause more allergies in humans, producing a health risk.</span>
Answer:
cells from which all other cells with specialized functions are generated.
Explanation:
they may be used by dividing into two or more cells called the daughter cells
i dont know where the choices are but plant gain energy from sunlight and they use it to make food through photosynthesis.
Hope it helps bro :D
In chemistry, a valence electron<span> is an </span>electron<span> that is associated with an atom, and that can participate in the formation of a chemical bond; in a single covalent bond, both atoms in the bond contribute one </span>valence electron<span> in order to form a shared pair.</span>
