Question

which component of blood is made of 90% water and carries dissolved salts, gasses, proteins, and other nutrients?
plasma
hemoglobin
white blood cells
platelets

Explanation:

Blood plasma is about 90% water and serves as a medium to carry dissolved salts, gases, proteins, and other nutrients. Hemoglobin is a protein in red - blood cells for oxygen transport. White blood cells are part of the immune system. Platelets are involved in blood clotting.

Answer:

plasma