The most frequently used friendly letter closings are “Cordially,” “Affectionately,” “Fondly,” and “Love.” “As always” or “As ever” is useful in closing a letter to someone with whom you may not be close or haven't seen for some time.
Fondly is defined as something done with love or affection.
There is really only two components in oobleck, water and cornstarch. The main chemical reaction that is involved is when you hit oobleck. The substance turns from a liquid into a solid. Oobleck is a non-newtonian fluid.
Feet is typically written ft or '. Inches is written as in or “. For example, 3 feet 6 inches would be 3'6”.