Scientist recently discovered that rocks collected from the Franklin mountains in West Texas and rocks collected the mountain and eastern Antarctica were exactly the same age. Further research showed that the rocks were chemically and geologically the same and came from the same magma source. This discovery provide evidence of ?

answer; ///the correct answer to the above question is (

answer; i believe that the correct answer is (light);

in 1859, charles darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. he defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved".