Renaissance painters developed the technique of Perspective. It is a technique that depicts three dimension into a flat surface.
Tetravalent
We have already seen an example of how a covalent bond can form between two hydrogen atoms producing molecular (H2) as opposed to the atomic form of hydrogen. ... As in all its compounds and its elemental forms, carbon is tetravalent, which means that it always forms four bonds.
Answer: you can keep it dry, and unwrinkled. Use wrinkles free dryer sheets
Explanation: