A thin transparent l: layer of oxide protects the metal titanium against corrosion. The same thin layer attracts artists interested in making their art with the help of technology. By using heat or electricity, an artist can thicken the oxide layer and there square B. does not corrode C. generates its own heat D. can assume a variety of colors

The correct answer is D. can assume a variety of colors.<br /><br />The thin transparent layer of oxide on titanium can be manipulated by artists to create art. By thickening the oxide layer using heat or electricity, the artist can control the appearance of the final product. This allows the oxide layer to assume a variety of colors, making it a versatile material for artistic purposes.