HELP AND FAST IS DUE SOON In biology class, Zach observes cells. Each cell has a structure that separates the inside of the cell from the environment. Which structure is Zach observing?

nucleus

cytoskeleton

cell membrane

genetic material

Due to a freak snowstorm that lasted an entire week, students had a packet of 24 math worksheets to finish. by friday, peter had done 56 of the worksheets, tony had completed 11/12 and natasha had 21/24 finished. who had the most worksheets finished? the least? justify your answer by explaining how you were able to compare the fractions. there were 24 books on the summer reading list. susan has read 6 5 of the books on the list. tom has read 12 11 of the books on the list. vicky has read 24 21 of the books on the list. which list correctly compares the fractions of books on the summer reading list that susan, tom, and vicky have read?

Compare the objectives and strategies of organized labor and populists for challenging the prevailing economic beliefs and practices of the ''gilded age.''

When members of congress must vote on a bill that is nonideological of one on which they have no specific position what are the most powerful influences