Which of the following best describes the function of flagella and cilia? A. They destroy foreign materials that enter the cell from the external environment

B. They block the uncontrolled movement of materials into or out of a cell

C. They play an important role in the modification and packaging of proteins

D. They assist the cell in moving

answer;

c. a tree whose roots are surrounded by wet sand.

explanation;

water stress is an important factor limiting the growth and productivity of forests.water stress is the most often cited cause of poor survival and growth of woody landscape plants.

-insufficient soil moisture is the most common form of water stress, but excess moisture that leads to poor soil aeration (hypoxia) can also result in reduced plant vitality. a tree whose roots are surrounded by wet sand would be least likely to experience water stress.