Answer:
mitochondria is the powerhouse of the cell
Explanation:
option B:is correct answer
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Plants, extinct/ancient animals, and dinosaurs
Giant covalent structures contain a lot of non-metal atoms, each joined to adjacent atoms by covalent bonds. The atoms are usually arranged into giant regular lattices - extremely strong structures because of the many bonds involved. The graphic shows the molecular structure of diamond and graphite: two allotropes of carbon, and of silica (silicon dioxide).
