Itâs also important in promoting healthy teeth and gums, healing wounds, and helping the body resist infection. Foods particularly high in vitamin C include: 1  papaya. 2  citrus fruits. 3  strawberries. 4  bell peppers. 5  broccoli. 6  Brussels sprouts. 7  dark leafy greens like kale, mustard greens, and chard.
Erosion through wind, water, and mass wasting is a very destructive force. Subduction zones are destructive, as those convergent boundaries are where crust is directly taken into the mantle and destroyed. Erosion strips away the topsoil of an area, leaving only clay, rock, and debris in it's path.
The speed of sound increases or decreases according to direction of wind. If wind is blowing in direction of propagation of sound , the speed of sound increases , while if it is blowing in a direction opposite to that of sound ,the speed of sound decreases. V-w when wind blows in direction opposite to the direction in which sound travels.