Answer:
its either a or b i don't know exactly cuz I didn't learn this but I tried looking it up and it didn't work
Answer:
i have put an image for a diagram of the heart in the answers becuase you did not provide a diagram so i hope this helps
Explanation:
They are considered as biased. Explanation: It's biased because it's based on how we feel instead of facts
From the test results, the victim is O+. The clumping indicates the presence of a rhesus factor.
There are four human blood groups which are;
A person can have any of these blood groups. Those who have blood group O lack antigens A and B in blood hence they do not agglutinate in a blood test with antibodies A and B.
Also, the fact that there is clumping in the rhesus test indicates that the blood is rhesus positive.
Learn more: brainly.com/question/5624100
