Select all that apply. the functions of the atmosphere today are

sustaining life with oxygen

filtering harmful rays from the sun

to protect earth from meteor collisions

removes nutrients from the soil

keeps the earths climate unstable

One of the purposes of transcription is to produce a sequence of bases that

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.

What happens when water’s salinity increases? mass decreases. freezing point decreases. buoyancy of objects decreases. the amount of dissolved minerals decreases.