when a potassium ion (k+) moves from the soil into the vacuole of a cell on the surface of a root, it must pass through several cellular structures. which of the following correctly describes the order in which these structures will be encountered by the ion?

Which group of college students is typically offered scholarship? a. freshmen, sophomores, and juniors. b. biology, english, and engineering majors. c. hard workers, part-time students, and out of state students. d. first time freshmen, current students, and transfer students.

Scientists observed a rock stratum with fossil. if mollusks evolved before arthropod, where will their fossils be found.

Which statement best describes gravity? it is the force that repels only very small objects. it is the force that acts between objects with zero mass. it is the force that sometimes acts only on very large objects. it is the force that acts between any two objects in the universe.