Most of the oxygen carried by blood is bound to hemoglobin an iron containing protein which also gives red blood cells their distinctive red colour
The answer is A: being familiar with different types of galaxies that exist in the universe
Autobiographical memory refers to memory of specific events that had occurred during the course of one' lifetime. Autobiographical memory is divided into two major groups which are episodic and semantic memories. Episodic memory recollects time, location and people while semantic memory recollect general facts. An example of autobiographical memory is the memory of college graduation event.
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