Answer:
Explanation:
In Double replacement reactions there is the exchange of anions and cations.
So to predict the double displacement reactions you must identify the anions and cations to be exchanged.
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
Although the dolphin lives in the sea, it is not a fish - it's a mammal.
It makes the most sense if you read it aloud.
The skin functions as a barrier to prevent the entry of microorganisms.
