Answer:
Particulates are small particles, roughly one to a few tens of micrometers in size, suspended in the air. They are individually invisible but in large concentrations, they may give a "color" to the atmosphere. The extent to which particulates are present in the atmosphere are an important indicator of air quality.
Explanation:
The lack of detail and scaling makes the Appalachian trail map useless. An evidence coming from the story is it has a scale of 1:100,000 which compresses the places, the routes, trails of the real world into a mere centimeter in the map.
Answer:
electron
Explanation:
When a neutral atom lose an electron, it becomes a positively charged ion. That means the atom change when the electron is lost or gained. Hence, if the atom undergoes a change and becomes a positive ion, in this process the lost subatomic particle is electron.
