Haanah (Bitter sweet)

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"50 million year challenge"

I've drawn two whales. pic.twitter.com/xRG7533Pd5

— SYED حيدر (COMMISSIONS OPEN)‎ (@HJ_arts02) February 18, 2022

'''Carbon-14''' (¹⁴C), or '''radiocarbon''', is a [[radioactive isotope]] of [[carbon]] with an [[atomic nucleus]] containing 6 [[protons]] and 8 [[neutrons]]. Its presence in organic materials is the basis of the [[radiocarbon dating]] method pioneered by [[Willard Libby]] and colleagues (1949) to date arch| type_species = [[Pusa hispida]] | subdivision_ranks = Species | subdivision = ''[[Pusa caspica]]''
''[[Pusa hispida]]''
''[[Pusa sibirica]]'' }}