an ice cube, a glass of cold water, and a swimming pool are each exposed to the same amount of sunlight on a hot day. after five minutes, the ice cube is melted and the cold drink is two degrees warmer, but the temperature of the swimming pool remains unchanged. what is the ...
The tree is known for the strong wintergreen scent of its bark and leaves. Culture: Sweet birch prefers deep, fertile, moist, well-drained soil that is slightly acidic. The tree is hardy to Zone 3 and will grow on rocky, dry sites in the wild, but hot, dry sites should be avoided if possible. It has been able to handle heavy soils in the Midwest.
Cercospora. Cercospora is the most common of the many diseases of a sweet gum tree, according to the Florida Department of Agriculture and Consumer Services. Cercospora is a fungal spot disease that produces dark brown, bordered, angular to circular spots 2 to 10 mm in diameter on both sides of leaves.rtist's Conk. Artist's conk (Ganoderma applanatum) is a fungal disease of a sweet gum tree that causes wood rot, according to the University of California IPM Online. Artist's conk infects trees by entering through wounds. White rot occurs in roots and trunks.