Which of the following statements is true? In rarefactions, particles in a sound wave are spread far apart.
The height of a wave determines the loudness of a sound.
The higher the frequency of a sound, the higher the pitch.
All of the above.

answer; /// i believe that the correct answer is (50%);

protocol for imps extraction focusing on membrane protein extraction, solubilisation, and purification.

starchy vegetables are high in carbohydrates.

starchy vegetables contain more carbohydrates than non-starchy vegetables.

explanation:

there are two primary categories of carbohydrates, essentially differentiated on the basis of their carbohydrate content (which is in the form of starch - a complex carbohydrate):

those vegetables which contain little amounts of starch are termed as non-starchy vegetables, and some examples include: artichokes, broccoli and bean sprouts.

vegetables high in their starch content are distinguished as starchy vegetables, and some examples include: potatoes, chickpeas and corn.

age range would be the answer