Which is NOT TRUE about upland landscape positions? A May be subject to erosion

B Normally the oldest and most strongly developed

C Area of accumulation of soil material

D Includes summits and side-slopes

the sugar-phosphate backbone forms the structural framework of nucleic acids, including dna and rna. this backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.

ucd e e. rr. t t t t t t. to

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.

1) a

2)c

3)a

4)c

5)b

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