A macromolecule is a large molecule containing many atoms. The four type are carbohydrates, lipids, proteins, and nucleus acids.
Answer:
Pallor is caused by vasoconstriction of the dermal blood vessels
Explanation:
Pallor is paleness or wanness usually caused by vasoconstriction of the dermal blood vessels.
In other words. A deficiency in the color of the face.
Racism is one of the leading causes of social identity based on and associated with the foundations of prejudice.