<span>Both involve a decrease in a population's genetic diversity.</span>
Answer:
E) Has neither surface antigen A nor B on its erythrocytes
Explanation:
Blood contains the blood fluid called plasma and blood cells of different types. The cells of the blood also contain antigens on their surface which could activate immune system to eradicate the pathogens.
On the basis of the presence of these antigens, the red blood cells are categorized into four types that is A,B, AB and O.
The person with blood group A will have A antigens on the red blood cells, B blood group will have B antigens on the blood group and with O blood group will not have neither A nor B antigen on its surface.
Thus, Option-E is the correct answer.
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A molecule is the smallest part of a compound that still retains the properties of said compound.
Answer:
HOPE THIS HELPS
Explanation:
Conserve water every day. Take shorter showers, fix leaks & turn off the water when not in use. Don't pour toxic household chemicals down the drain; take them to a hazardous waste center. Use hardy plants that require little or no watering, fertilizers or pesticides in your yard.
In water molecule the electrons between the oxygen and the hydrogen are shared, but the sharing is not equal. Oxygen pulls electrons slightly towards itself. Therefore, the electrons are more near the oxygen, making that part of molecule(oxygen part) slightly negative. Since the electrons are not near the hydrogen so, that part of the molecule is slightly positive.