Which of the following is a possible consequence of ozone layer depletion on living organisms?
a increased exposure to ground-level ozone
b. decreased levels of ultraviolet radiation in the troposphere
increased levels of ultraviolet radiation absorption in the stratosphere
none of the above

Here's one way to follow the scientific method. place the missing steps in the correct position in the process.

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?

Step 1 review the imaginary strand of dna below. note the complementary base pairs. a g c a a t c c g t c t t g g t c g t t a g g c a g a a c c step 2 to begin replicating this strand of dna, draw the two sides of the strand separating. step 3 now, draw the free-floating bases linking up with the separate sides. remember to follow the rules of complementary base pairing. step 4 draw the two resulting dna strands.