9. Mrs. Abu discussed her lesson on properties of matter. As part of her motivation, she prepares a mystery bax with mystery objects inside of it and her learners will try to guess what the object is by describing its physical properties. The first object drawn is sand paper. What property best describes the object?
A. It has a rough surface and has a black color
B. It has a smooth surface and can be used to clean objects.
C. It can be mixed with water
D. It has good feeling when you rub it in your hands
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Answer:
A. it has a rough surface and has a black color