Select the best answer for the question.
3. why do the terrestrial planets lack hydrogen and helium in their atmospheres?
o a. hydrogen and helium were converted to other compounds as the planets formed.
b. hydrogen and helium are present in rings around the terrestrial planets.
c. hydrogen and helium were blown away by solar wind.
d. hydrogen and helium can't be retained because the planet masses are too small,
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The great scientist alfred wegener proposed that continents have moved, while other scientists such as t.c.chamberlin argued against wegener. wegener's ideas eventually won, and are now widely accepted, because: a) wegener's ideas were more beautiful, and so were favored by the intellectual elite.b) wegener's ideas did a better job of predicting the results of new observations and experiments.c) wegener's ideas appealed to dead white european males, whereas chamberlin's didn't.d) wegener's ideas appalled dead white european males, and we all know that in this politically correct era,dead white european males cannot get a fair shake.e) wegener won the nobel prize.