name, chemical formula and structure diagram of Ozone handwritten on blackboard with colorful chalk
Palabras clave
chalk,
structure,
diagram,
atmosphere,
atom,
atomic,
bond,
earth,
global,
molecular,
molecular,
oxygen,
ozone,
printing,
skeletal,
smog,
stylised,
warming,
written,
blackboard,
blackboard,
drawing,
formula,
gas,
greenhouse,
layer,
pollution,
printer,
ring,
air,
biochemistry,
chemical,
chemistry,
climate,
composition,
compound,
model,
protection,
style,
background,
flat,
depletion,
oxidant,
pollutant,
ultraviolet rays
){kind=link}