Deforestation is not a natural change.
V final = (Mass x V initial) + (Mass x V initial) /m + m
V = (0.04 x 300) + ( 0.5 x 0 ) / 0.04 + 0.5
V = 22.2 m/s
<h2>Answer with Explanation </h2>
The speaker and transformer are the devices that consume the electrical energy and release the sound as an output in this process the phenomena which are acquired is electromagnetic induction. The sound energy can also be converted into the electrical energy but fir this process high temperature and high frequency is required. The sound energy is important as it informs us about the character, place and time.
Answer:
B. surface runoff
Explanation:
Surface runoff is the flow of water that occurs when excess storm water, melt water, or other sources flow over the Earth's surface.
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Enzymes are biological catalysts.They lower the activation energy necessary for the reaction to occur, and that makes the chemical reactions quicker in living cells.