Based on the passage, which of the following is correct?
a
there is only one polar zone on earth.
b
the sun reaches all areas of earth equally.
c
the polar zone extends to the tropic of capricorn.
d
the northern temperate zone extends from 60° to 23.5° north of the equator.

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.