Multiple Choice
Aclosed circulatory system is one in which
O
A. blood spreads freely throughout all of the body's tissues and organs.
0
B. blood flows through a system of blood vessels throughout the body,
Cblood travels through blood vessels into cavities called sinuses.
D. blood is pumped through a system of blood vessels and air sacs.

ok yes, but what is the question? as soon as you ask the actual question i will answer it. : )

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.