What is charles darwin's major contribution to science? a. he categorized thousands of species to compare their different traits. b. he explained how species evolve. c. he showed dna is passed from parents to offspring. d. he performed an experiment showing how molecular compounds first formed.

How does deforestation affect the water cycle? a. it increases the amount of runoff b. it increases the amount of percolation c. it increases the amount of transpiration d. it increases the amount of precipitationa it increases the amount of runoff

Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks