Which gas was least abundant in Earthʹs early atmosphere, prior to 2 billion years ago?

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#Question id: 3466

#XL - T Zoology

Animal preference of polygyny mating systems because of

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#Question id: 10555

#XL - R Botany

The water molecule, hydrogen–oxygen bonds form an angle of 105°, The opposite partial charges (δ– and δ+) on the water molecule lead to the formation of which bond with other water molecules,

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#Question id: 1749

#XL - Q Biochemistry

The αβ heterodimeric form of the IL-2 receptor:

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#Question id: 10280

#XL - Q Biochemistry

The enzyme of glycolytic pathway that forms fructose 1,6-bisphosphate is called phosphofructokinase-1 (PFK-1), which statements can’t distinguish it from a second enzyme (PFK-2) Phosphofructokinase-2.

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#Question id: 13232

#XL - R Botany

Plants that develop root pressure frequently produce liquid droplets on the edges of their leaves, a phenomenon known as