Cause <span>Pure silica </span>can<span> produce an excellent </span>glass<span>, but it is </span>very high<span>-melting (1,723 </span>o<span> C, ... and ability to transmit ultraviolet light (an ability that ordinary </span>glass does<span> not </span>have<span>). ... of its </span>extremely high melting point<span> (1,723 </span>o<span> C, or 3,133 </span>o<span> F), but fluxes </span>can<span> be</span>
Answer:
Primary producers
Explanation:
Phytoplankton belong to the <u><em>primary producers</em></u> trophic level. Beings of the other levels gain energy from phytoplankton. Phytoplankton are also capable of transforming inorganic carbon into protoplasm.