Which of the following definitions best describes a parallel of latitude? a--A line that is drawn horizontally around the earth and is parallel to the Prime Meridian.

b---A line that is drawn vertically down the earth and is parallel to the equator.

c--A line that is drawn vertically down the earth and is parallel to the Prime Meridian.

d--A line that is drawn horizontally around the earth and is parallel to the equator.

when [oh-] is 10-5  m, and [h3o+] is 10-9  m, the poh is 5 and ph is 9. again in both cases the sum of ph and poh is 14. however, the hydrogen ion concentration is not always going to be equal to exactly 1 x 10 raised to a negative number. for example, we skipped over the value of 2.0 x 10-7.

because u need two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei to form isotopes.

so since they all have the same shape? i mean maybe because m& m and reeses are both chocolates