The two main properties of sound are frequency and amplitude. The frequency of the sound waves determines the pitch of the sound. The amplitude of sound determines the loudness. The quality of sound is affected by the pitch and the loudness.
<span>The leaf exerts a force on the sidewalk; the sidewalk exerts a force on the leaf.</span>
Answer:
d
Explanation:
measures hydrogen ion concentration
The pH of a solution is a measure of the concentration of hydrogen ions in the solution. A solution with a high number of hydrogen ions is acidic and has a low pH value. A solution with a high number of hydroxide ions is basic and has a high pH value. The pH scale ranges from 0 to 14, with a pH of 7 being neutral.
Answer:
There is no diagram but
It would be A if you were looking at the endoplasmic reticulum (ER).
It would be B if you were looking at a mitochondrion.
I do not remember what C is, so if it is not the ER, Golgi apparatus, or the mitochondrion, it is most likely C.
It would be D if you were looking at a Golgi apparatus
Answer:
Name the state of matter of each layer of the earth... The crust and the inner core are solid, whereas the outer core and inner mantle are liquid. The outer mantle is semi solid.
Explanation:
