CAN SOMEONE HELP ME FIND hsmith8275?

Apart of the periodic table is shown. a portion of the sixteenth and seventeenth columns of the periodic table is shown. column 16 reads eight oxygen, 16 sulfur, and 34 selenium. column 17 reads nine flourine, 17 chlorine, and 35 bromine. which of the following elements is less reactive than the others? bromine (br) oxygen (o) selenium (se) sulfur (s)

Based on the results of this study, what questions remain unanswered? how can these questions guide future research

According to the cladogram, which organisms have roundworms as a common ancestor?