'This noble gas used in high-speed photography lamps takes its name from the Greek for "hidden"'
krypton
SCIENCE KLASS: This noble gas used in high-speed photography lamps takes its name from the Greek for hidden
This noble gas used in high-speed photography lamps takes its name from the Greek for "hidden"
This noble gas used in high-speed photography lamps takes its name from the Greek for "hidden"
SCIENCE "K"LASS
krypton
SCIENCE "K"LASS