<span>A question is scientific when it can be answered by using logic and scientific information we have currently, or if there is scope for it to be answered in future because of further development in technology / theories. Scientific questions are based on facts that are observed, just like that of magnet attracting bits of iron, etc.
Few questions like existence of God / existence of demons are beyond science as they are not based on any observation.</span>
<span>A. No sound is heard
A*sin(wt)+(-A)*sin(wt)=0 - no sound
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Explanation:
what exactly are you asking for?
'A' and 'C' both show that behavior.
'D' also shows it, but the object is moving backwards when time begins.
First it moves faster and faster backwards, then it moves slower and slower backwards.
Answer:
The heat of vaporization 580 cal/g times 602g = cal in human and do the same for life form.
Explanation:
