Which of the following unit is the most appropriate? Is it milligram(mg), gram(g),or
kilogram(kg)? Write its symbol on the blank provided before each item,
1. a needle
2. a sack of rice
3. an apple
4. a baby
5. a basketball
6. a pail of water
7. a glass of milk
8. a piece of pad paper
9. a ballpen
10. a tablespoon of flour​