The superior vena cava is formed from the merging of left and right veins.

This aquarium exhibits biotic and abiotic factors in an aquatic environment. one of the abiotic factors is

What makes the results of a scientific experiment accurate? a) having multiple trials b) lacking any supporting data c) working in a lab d) using a hypothesis that is always true

Jane is blood type a her husband is blood type b. jane is puzzled because their daughter is type o. explain how the daughter inherited a blood type that neither of her parents had explain your answer