twice a week
]
2-4
In table tennis, each player gets two serves before the serve switches to the opponent.
In volleyball, each team gets three serves per rotation.
40-50% of fish are sold each year
about 5
119;9
You should eat two portions of fish a week. One of the portions should be oily fish such as sardines or mackerel.
In table tennis, each player is allowed two serves before the opponent gets a chance to serve.
There are no records of such things.
most fish usually have two internal ears on each side of their head
two layers of gills on each side
Both fish, and fish tanks, come in different sizes. So the number of fish that ideally should be in a tank, depends. Somewhere between one and a hundred would be normal.