Luster means to give shine to a surface. Luster is a general idea of a mineral but you may need to be more specific. By specific I mean what kind of luster does the mineral have? Metallic, Non-Metallic, Vitreous, Resinous, Pearly, Greasy, Silky, or Adamantine. These are more specific types of luster than just saying luster.
Many kinds but i prefer Meat and Rice its an opinion question it cant be exactly explained.
B. acidic clouds
Explanation: High altitude defoliation of evergreen trees is attributed to the presence of acidic clouds. The acidic cloud mist causes calcium leeching which in turn causes freezing damage in current needle growth. Simply put, the new needles die.
What? the two terms are??