Summary: 1  Rubbing alcohol (isopropyl alcohol) is the worldâs most commonly used skin antiseptic. 2  Rubbing alcohol is made from coal gas and water. In the United States, manufacturers also use a sulfuric acid in the manufacturing process, and tiny amounts of sulfuric acid remain in the finished product.
Frost Tender or Heat Tender. The basic definition of a tender plant is a perennial plant that will not survive the winter outdoors because it is sensitive to frost, but some plants are also labeled as heat tender.ost plants classified as tender do not thrive in cold temperatures, while those classified as hardy can survive wintry conditions, although the lowest temperature these plants can handle varies from plant to plant.
Tulips are a perennial flower. Tulips are a perennial flower. The definition of a perennial person or thing is when they exist or are active for a whole year or a long time. An example of perennial is a person who has lived for a long time. The definition of a perennial is something that is always present, often referring to plants. An example of a perennial is a plant that regrows each year in the spring.