The correct option is A.
A basic solution has a high concentration of hydroxide ions more than any type of ion and that is why it is basic in nature. An acidic solution has a higher concentration of hydrogen ions and that is why it is acidic in nature. A neutral solution has equal amount of hydroxide and hydrogen ions. Solutions are usually classified as either basic or acidic based on their hydrogen ion concentration.
Answer:
The answer is Abstract.
Explanation:
The hematopoietic stem cell gives rise to.
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Fertilization generally occurs in the fallopian tube.
