Which rock sample had the most porosity? a. sand b. gravel c. soil which sample had the least? a. sand b. gravel c. soil how much empty space was there in the medium-sized rock sample? a. sand b. gravel c. soil which sample is the most permeable? a. sand b. gravel c. soil

haploid cells;

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands

oxygen +1 most likely

because it travels in smaller waves then all other colors, causing it to be the most visible color