I think the correct answer is B
Answer:
Atmosphere
Explanation:
carbon dioxide is naturally released into the atmosphere by the decay and flatulance of animals. But you extract fossil fuels from the ground and burn them. The burning of fossil fuels is called combustion.
Some arteries carry oxygenated blood just as some capillaries do.
Some veins carry deoxygenated blood just like some capillaries do.
<span>intrauterine insemination is the best choice here.</span>
28 Alleles
29 Oocyte
30 Spermatocyte
31 X X chromosome
32 X Y chromosome
33 Males are prone to have sex linked disorders
34 Down Syndrome
Cru di chat
35 Family Tree