What are the horizontal rows on the periodic table referred to as?

What terms describes being out of water after being submerged

Select the correct answer from each drop-down menu. which phase of mitotic division is the highlighted cell undergoing? the cell is undergoing , which is the stage before .

Which of the following is an advantage of using embryonic stem cells in medical research? a. the use of embryonic stem cells is much less expensive than the use of adult stem cells. o b. no living tissue is damaged when scientists use embryonic stem cells. o c. embryonic stem cells are able to differentiate into a wider range of cells than adult stem cells. d. there is no controversy surrounding the use of embryonic stem cells.