The speaker of anne sexton’s poem “young” is

an older woman contemplating death
an older woman looking back on her adolescence
a teenager looking back at her childhood
a child dreaming about her future

Which of the following is a compound? a.carbon b.oxygen c.hydrogen d.water

Which is the layer underground where all empty spaces are filled with a combination of air and water ?

Abeaker with 2.00×102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.