Answer:
Burning of fossil fuels???
Explanation:
Answer: The blue whale is the heaviest animal ever known to have existed.
...
Heaviest living animals.
Rank 1
Animal Blue whale
Average mass [tonnes] 110
Maximum mass [tonnes] 190
Average total length [m (ft)] 24 (79)
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<span>Genes.Genes are the working unit of the hereditary character of DNA. Genes act as instructions usually coding for a particular protein or function. One form of gene which are called alleles <span>determines the traits that can be passed on from parents to offspring.</span></span>
Inbreeding reduces genetic diversity (which reduces variation and evolutionary potential), and dramatically increases the chances of disorders. It can also be <span>fatal.</span>
Yes it is I think tell me if u got it wrong plz
