Downforce - Airfoils. 1  The amount of downforce created by the wings or spoilers on a car is dependent primarily on two things... 2  The shape, including surface area, aspect ratio and cross-section of the device, and. 3  The device's orientation (or angle of attack).
Types of Seaweed. The simplest of the seaweeds are among the cyanobacteria, formerly called the blue-green algae, and green algae (division Chlorophyta), found nearest the shore in shallow waters and usually growing as threadlike filaments, irregular sheets, or branching fronds.
Contents. S everal species of sea anemones are available to aquarium hobbyists, but the bubble-tip anemone (Entacmaea quadricolor) is certainly the most popular, and for good reasons.Unlike some other common anemones, this one can host numerous species of anemone/clownfishes and is relatively hardy, too.ontents. S everal species of sea anemones are available to aquarium hobbyists, but the bubble-tip anemone (Entacmaea quadricolor) is certainly the most popular, and for good reasons.