The biosphere is best defined as .

a grouping of plants and animals that interact with one another
a regional grouping of plants, animals, and abiotic factors all Earth's organisms and their physical and aquatic
environment where energy and matter are cycled all living and nonliving parts, including the flow of energy and matter
all Earth's organisms and the nonliving environment with which they interact

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.

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What three colors are on the rwandan flag that was adopted in 2001