The valence electrons found in metallic bonds are different from other bonds because a. they're able to share electrons with other atoms
b. their valence electrons are immobile
c. they allow for the conductivity of electricity
d. their valence electrons are free-roaming

so whats the answer

69 is the correct math for the amino acids

answer >   yes we do, women; have three holes, urethral opening(pee hole, vagina, and the women pee/girls pee out of the urethra like the men do; only they have a single opening to pee/ejaculate.   (sorry if i'm too forward with this, but this is for a biology class, isn't it? )

hope that !         : )

for example, no new evidence will demonstrate that the earth does not orbit around the sun (heliocentric theory), or that living things are not made of cells (cell theory), that matter is not composed of atoms, or that the surface of the earth is not divided into solid plates that have moved over geological timescales .