How did the 1898 discovery of blood types affect society? Check all that apply. New ways to preserve and transport blood for blood transfusions were discovered. Blood transfusion safety was improved. Scientists discovered that elements of blood could be separated by centrifuge. Scientists discovered that plasma could be preserved by freezing.

surface modification is a versatile tool and has been widely used in material science and engineering that has significantly facilitated the study and characterization of complex materials. at  matexcel, experienced experts in surface science can offer tailored efforts to meet the specific needs from our clients.

the sphincter muscles at the end of the digestive tract is the anus.

igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.