B
<u>Clapping hands</u> is a best scenario that describes a transfer of mechanical energy to heat and sound energy
Explanation:
The action of clapping your hands is mechanical hence has mechanical energy. When you clap your hands you make a sound because you cause vibrations in the air around the clapping hands. This is a transformation of the mechanical energy to sound energy. You realize that clapping your hands causes your hands to get warmer. Some of the mechanical energy was also transformed into heat energy.
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Answer:polar covalent bond
Explanation:
Compounds are formed ether by donating, receiving or sharing of electrons making the bonds between them to be ionic, or covalent .
Now according to the rule of type of bond assignment due to electronegativity difference of atoms
---When the electronegativity difference is less than 0.5, the bond formed is nonpolar covalent.
---When the electronegativity difference is between 0.5 and 1.6, the bond is considered polar covalent
---When the electronegativity difference greater than 2.0, then the bond is ionic.
Therefore, When the absolute value of the difference in electronegativity of two adjacent atom in a compound is 1, they are most likely bonded by polar covalent bond eg HCl bond , CCL4 bond
Observation consists of receiving knowledge of the outside world through our senses,or recording information using scientific tools and instruments.Any data recorded during an experiment can be called and observation.
