Question

Only for a genius!

B is the brother of A
Whose only sister is the mother of C
D is the maternal Grandmother of C
How is A related to D?!
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Answer 1

A is the son of D .

Since, we have given that b is the brother of a and A is only the sister in the mother C And the maternal grandmother of C

So, it simply means that

D is the mother of B and A

b&a our brothers and they have only one sister

hence it means A is the son of D

Hope you you like this answer and it helps you so please mark my answer as brainlist ...

Answer 2

Answer:

optics, science concerned with the genesis and propagation of light, the changes that it undergoes and produces, and other phenomena closely associated with it. There are two major branches of optics, physical and geometrical. Physical optics deals primarily with the nature and properties of light itself.the surroundings or conditions in which a person, animal, or plant lives or operat

Explanation:

the process by which green plants and some other organisms use sunlight to synthesize nutrients from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a by-product.