Superior vena cava- upper body inferior vena cava
lower body- bother drain into the right atrium
Answer: RNA or DNA
Explanation:
Its a virus genetic material.
Answer: cNatural selection is the process by which organisms with more beneficial traits are more likely to survive and reproduce.
Common choice is the differential survival and proliferation of people due to contrasts in the phenotype. Phenotypic qualities supports the survival of certain living beings in the populace superior to other people. Model given by Darwin populace of hued creepy crawlies green and red having a place with same animal groups. Green ones copy the shade of grass not seen by flying creatures but rather red ones were seen and eaten by winged creatures. This is the determination naturally for more qualified people. Green shading gave the survival bit of leeway to these scarabs which is a phenotypic trademark in this manner, they will deliver a larger number of offsprings than the red ones and furthermore pass on the phenotypic characteristic to their offsprings.
Answer:
The answer is Colorblindness
