During cellular respiration, carbon dioxide is produced. carbon dioxide is taken in by plants during photosynthesis to make food hence removing carbon dioxide from the atmosphere. These two processes make up the carbon cycle which maintains the concentration of carbon dioxide in the atmosphere.
<em>The botulinum toxin, a poison produced by the bacterium Clostridium botulinum (C. botulinum), is common in soil and exists in untreated water. It can survive in these environments as a resistant spore. Foodborne botulism is caused by consuming foods containing the botulinum toxin.</em>
The correct answer is frequency.
The pitch can be defined as the quality of sound produced by the rate of vibration producing it.
It is directly related to the the frequency of the sound wave. If the frequency is increased then its pitch will also increase and vice versa.
As for normal people it is a bit difficult to differentiate between the two but the musician are trained so they can differentiate the difference between the two even if the difference is 2 Hz
The correct answer is be sure that your instrument is calibrated properly. If your instrument isn't calibrated, then your data will be inconsistent.