Question

which measured change has occurred in the cell membranes from earlier age (billion a year ago) to the current age​

Answer 1

Answer:

(In the graphic: Ga means "billion years ago"; Ma, "million years ago".) Earth formed around 4.54 billion years ago, approximately one-third the age of the universe, by accretion from the solar nebula. ... Over time, the Earth cooled, causing the formation of a solid crust, and allowing liquid water on the surface.

Explanation:

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