Why does horizontal transmission potentially make the problem of antibiotic resistance worse?

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.

What is the process of pulling apart an n2 molecule nevermind i got it

Why is it to call the calvin cycle the light independent reactions vs the dark reactions