âWhether you add some favorite butterfly plants to an existing garden or start with a new garden designed just for butterflies, you will be amazed how easy it is to attract them to your yard.â. The first thing to do is select a warm, sunny spot for the butterfly garden. âButterflies are cold-blooded and need sunshine to warm their bodies,â she explained. âLocate your garden near a wall, a fence, or even some evergreens so when they come to visit, they are not fighting a strong or chilling wind.
Comparing Materials. Glass is far inferior to paper, plastic and Styrofoam in terms of insulation. Thermal conductivity in terms of BTU/(feet - hour - degrees F) is 1.82 for glass, 0.09 for paper, 0.06 for Styrofoam.
Example Sentences for opaque. The young are produced from eggs, which are as firm and opaque as those of birds. But common glass, of which spectacles are made, is opaque to it. The paper of which an envelope is made should always be opaque enough to conceal the contents of the letter. How obstinate the customs, how opaque the ignorance, how rank the growth of error!