Answers by visitors named: M.Gayatry

protein on the surface of red blood cells of humans,which is involved in the rhesus blood group system.Most individuals possess the main rhesus factor(Rh plus),but those without this factor(Rh-)produce antibodies if they come into contact with it.The name...

Example;-Oxygen exists as two gaseous allotropes,'normal oxygen(O2)and (Ozone(O3),which differ in their molecular configurations.

A chemical that is irritant is that which produce uneasy sensation in.(bodily organ etc.,)stimulate(organ) to vital action for ex.,poison glands connected with some insects like honey bee,snake poison fangs. Corrosive chemical is acidic and in salty condi...

Echo sound

5)9atm

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A)an ice cube