One marbles competition is called the National Marbles Tournament.
because ages ago they used to use marbles instead of glass balls.
Taws.
It was in 1980 and Sir William Thomes discovered it and called it the Devils Marbles.
ENGLAND
taws
no
Pastel Crystal Soil
Interspecific competition.
marbles in water or out of water are not living things because they are made of a thick type of glass called verre
He will have 13 blue marbles and 10 green marbles.
An organization without any competition is called a monopoly.
Competition, sometimes called environmental competition.