Which statement could be categorized only in the anaerobic section of the venn diagram? a. is performed by eukaryotes b. has commercial uses c. regenerates nadh d. occurs in the mitochondria

The correct answer is option b. have commercial uses

Explanation:

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We will analyze each of the options:

to. is performed by eukaryotes: if the process is anaerobic it cannot be performed by eukaryotes that have mitochondria

b. has commercial uses: this option is only in the anaerobic process part. As for example the commercialization of alcohol.

c. regenerates NADH: this is an aerobic process in the Venn diagram

d. occurs in the mitochondria: the cellular respiration that is aerobic intervenes

After the analysis we conclude that the correct answer is option b. have commercial uses

relative dating involves things like higher layers are most recent than rocks lower in the sequence. this can be extended to the known sequence of fossils. rocks containing rabbit fossils are later than those containing dinosaur fossils.  

absolute dating methods mainly use radioactive elements that have known rates of decay and produce recognizable products. for example potassium 40 decays to produce argon. once a rock has solidified the argon is trapped. by measuring the argon and potassium0 you can get an accurate number for the age.  

some other methods are good for archaeological ages. dendrochronology involves recognizing the sequence of tree rings. the orientation of magnetized particles in baked clay can be used to date a fire.

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white blood cells or wbc s are mainly 2 types-

1.agranulocytes

2.granulocytes

the monocytes or macrophages of agranulocytes , dendritic cells which are accessory leucocytes, and b cells which is one type of lymphocytes   identify the antigens present on the pathogen's surface. these three cells are called antigen presenting cells(apc) which are phagocytes and destroy the antigens by secreting antitoxins. besides this leukocyte is always plays vital role in the immunity of the body.