Answer:in addition are formation of goose pimples and erection of hair muscles so as to trap more air thus insulation
Out of the three, only 1 is acidic because litmus paper turns red in acidic compounds and blue in basic compounds.
They are related because the high pitch sounds correspond to the sound waves which give high and low frequencies.
the phospholipids are tightly packed togther and the membrane has a hydrophobic interior.
