<span>A person who has rh- blood can develop rh agglutins through;
1. Pregnancy.
2. Transfusion.
3. Exposure to blood.
Agglutination is termed as clumping of particles. It is the process which occurs when an antigen is mixed with its corresponding antibody known as isoagglutinin.
When people are being given blood transfusion of wrong blood group then the antibodies will react incorrectly with the transfused blood group, then the erythrocytes clump up and stick together which causes them to agglutinate.</span>
Answer:
The nervous system has two main parts:
The central nervous system is made up of the brain and spinal cord.
The peripheral nervous system is made up of nerves that branch off from the spinal cord and extend to all parts of the body.
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Answer: possibly A
Explanation: B an C are not it because they are more like mutations. D humans don’t always become immune.
The microorganisms found in soil are important because they affect the structure and fertility of soil. Certain bacteria responsible for nitrogen fixation converts nitrogen in the atmosphere, so that it can be used by plants. Because of microbes, nutrients and minerals are made available to plants. Soil with more diverse microbe will result in fewer plant diseases and better crop yield.
I think the answer is no NADH is present in the cell
hope my answer is correct ☺