Listen to the three examples of sound and related spectrogram. make one observation about each of the three spectrograms

Explanation:

Sounds are wave. They are made through vibrations that travels or moves in the air.

Example-Bell rings- sounds gotten when a bell is ringed.

Spectogram is a way in which the strength of loudness can be represented with time visually. Example of spectogram

spectrogram(x) - It returns the Fourier transform of the input signal, x.

Spectogram x, window- This uses windows to separate signals into segments.

Spectogram, window, Nover lap - This make us of nover lap between adjoining segments.

answer: a. a gene that causes a specific trait.

the answer is d.) homologous; have mammary glands