21 Jun, 2012 Who discovered 0. Niobium is a soft gray metal and a chemical element represented by the symbol Nb with the atomic number 41. The free metal does not occur in nature, but it can be found in certain minerals such as columbite and pyrochlore. The largest deposits of niobium containing minerals are found in Brazil and Canada and these two countries continue to produce the majority of the element for the world. Niobium is chemically similar to the element tantalum, which meant that its discovery was the subject of much debate.
Roses - anywhere from 5 petals to 110 petals depending on the variety. Chrysanthemums - same thing. Depends on type 20-30 up to 100 or so. Forms of mums: Incurved â ray florets tend to turn upward and inward. 1  Reflexed â ray florets turn outward and downward from the center of the flower.  Anemone-Centered â having a prominent center of disk florets which can be described as having a central âpincushionâ effect.
ROSES/FLOWERS. 1  110 million roses, the majority red, will be sold and delivered within a three-day time period. 2  Valentineâs Day is the big time of year for red roses; Mothersâ Day means more pastel roses. California produces 60 percent of American roses, but the vast number sold on Valentineâs Day in the United States are imported, mostly from South America. 15% of U.S. women send themselves flowers on Valentineâs Day. 73% of people who buy flowers for Valentineâs Day are men, while only 27 percent are women. CARDS. About 1 billion Valentineâs Day cards are exchanged each year.