A chemical formula is obtained from the number of atoms in a compound.
Chemical compounds are composed of atoms. The number atoms of each element in a compound determines the correct formula of the compound. Before I can write the chemical formula of any compound, I must first determine the number of each atom in the compound.
For instance, phosphorus trichloride contains one atom of phosphorus and three atoms of chlorine hence I would place a 1 in the box for P and 3 in the box for Cl.
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Continuous cell lines differ from primary cell lines in that <span>continuous cell lines are derived from primary cell lines.</span>
Answer:
B) and D) are the correct answers
Explanation:
Hadalpelagic zone contains life such as amphipods
, snailfishes and cusk-eels.
Epipelagic zone is the ONLY zone where visible light and algae can be found. Lower than that the amount of light is insufficient for plants to carry out photosynthesis.
The mesopelagic zone has a diverse biological community that includes unique organisms adapted to live in a low-light environment including fish like
the blobfish, bristlemouths or the tasselled anglerfish.
