Answer;
-All blood types made compatible with each other
Explanation;
-In 1898, it was discovered that inherited differences in people’s red cells were the cause of many of the incompatibilities found with transfusions.
-During World War I, when human blood was needed for transfusions for wounded soldiers, studies began of how to preserve and transport blood and four blood types were identified.
Angiosperms<span> vs. </span>Gymnosperms<span>. </span>Angiosperms<span>, also called flowering plants, have seeds that are enclosed within an ovary (usually a fruit), while </span>gymnosperms<span> have no flowers or fruits, and have unenclosed or “naked” seeds on the surface of scales or leaves. Gy</span>nosperm<span> seeds are often configured as cones.</span>
A bond formed by the electrical attraction between two oppositely charged ions is a(n) ionic bond.
Light waves are compressed into higher frequencies
