Answer:
Gram positive bacteria have cell walls composed of thick layers of peptidoglycan. Gram positive cells stain purple when subjected to a Gram stain procedure. Gram negative bacteria have cell walls with a thin layer of peptidoglycan.
Most gases are invisible. Give it some thought. Like 2 gases your body use to breathe. The noble gases on the periodic table. The most abundant gas in the Earth's atmosphere. The one everyone is concerned about being affected by global warming. The poisonous one in some people's houses.
Answer:
radiation because a few examples 1 cause if you were to take rads head on you would get a mutation 2 look at most of fallouts enemies
glue the plus sign, then sunlight, arrow, hexagon plus the rest of the O2s
