The teacher is always kunot noo. Calling the pupils' names. And scold them for being so maingay. After that the children close their mouth, and go back to their seat. Looks innocent as the teacher faces them. Wow, how impressive they are so tahimik. But when the teacher went out, the children again will begin to be so noisy.
a topic for practical research is abortion
conversely, if the object is less dense than the fluid it will "rise" or "float". hence, the object's material, or more specifically its density, affects its ability to float. question #3. the shape of an object does affect its ability to float.
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