A man with type AB blood is married to a woman with type O blood. They have 2 natural children and 1 adopted child. Abebe has type A blood which child was adopted?How do you know?​

Which of these serves as a reference for comparison during a scientific investigation? a)outcome variable (dependent variable) b) test variable (independent variable) c)control group d)hypothesis

What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere, b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify, d)anaerobic bacteria kept thriving with more oxygen

Identify the composition of oceanic and continental crystal rocks. in a model of earth’s interior, where would these rocks appear?