Who else listen to k-12 songs

Why do some pregnant women fail to receive adequate prenatal care? a. ethnicity b. language and cultural barriers c poverty d. all of the above

What is the function of reverse transcriptase in retroviruses? a) it uses viral rna as a template for dna synthesis.b) it converts host cell rna into viral dna.c) it translates viral rna into proteins.d) it uses viral rna as a template for making complementary rna strands.

First to answer will be the brainliest i need the answer asap