All the different species living in the world make up

a) biodiversity
b)ecosystem diversity
c)genetic diversity
d)species diversity

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❖ The correct answer choice is A) biodiversity

Biodiversity is the sum of different species in life. With different species, it's diverse because it's more than one type.

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~ ᴄʟᴏᴜᴛᴀɴꜱᴡᴇʀꜱ

i'd say that the moon rock is about 2.2 billion years old.

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