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 ...
TREES & plants. Sweet birch. Sweet birch is an attractive tree for lawns and naturalized areas, with shiny, red-brown bark and yellow foliage. Native to the eastern United States, the tree also attracts beautiful butterflies to the landscape, serving as a caterpillar/larval host. This species is resistant to bronze birch borer (BBB).
Buy or obtain the roots of sweet potatoes (Ipomoea batatas) in early fall in U.S. Department of Agriculture plant hardiness zones 9 through 11. Place sweet potato roots in a hotbed. Layer 2 inches of sand over the roots and irrigate gently. When the roots sprout shoots, add another inch of sand.