Colorful glass beakers with glowing liquid.
Palabras clave
colourful,
glasses,
beaker,
glow,
liquid,
fluid,
scientist,
experiment,
chemistry,
laboratory,
solution,
researcher,
substance,
element,
method,
quality,
mixture,
conclusion,
discover,
quantity,
chemical,
compound,
control,
performance,
trial,
study,
result,
conduct,
procedure