What is an advantage and a disadvantage of using 4.5-7.5 paper for PH analysis?

Ais a landform that is formed at the mouth of a river from the deposition of sediment carried by the river as the water flows.

Astudent is looking through a microscope at some cells of an onion root tip. many of these cells are undergoing division since the root tip grows quickly and requires more cells. which cell most recently underwent metaphase? w x y z

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.