The eighth season of American Idol premiered on January 13, 2009, and concluded on May 20, 2009. Judges Simon Cowell, Paula Abdul, and Randy Jackson continued to judge the show's contestants, along with Ryan Seacrest as host. Jamar Rogers, who was cut in the green mile round in this season of American Idol, would go on as contestant on the second season of NBC 's The Voice and made it to the Semi-Final round before being eliminated.
The forces acting on a falling leaf are A. air resistance and fluid friction. B. gravity and air resistance. C. gravity and static friction. D. weight and rolling friction. The forces acting on a falling leaf are : gravity and air resistance.
Angiosperms, the second group of trees, have covered seeds and are often called deciduous trees. They drop their leaves each autumn. These aspens, oaks, maples, hickories, ashes, birches, and other trees make our fall forests colorful. Conifers' narrow, tough needles retain moisture and allow the tree to survive in winter when the air is cold and dry. The broad leaves of deciduous trees evaporate a lot of water and use a lot of sap.