DENDROLOGY

DENDROLOGY AND SOCIETY

FAMILIES OF GYMNOSPERM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Deep-growing root systems of gymnosperms are useful for preventing ____
A
____ earthquakes.
B
____ floods.
C
____ avalanches.
D
____ landslides.
Explanation: 
There is 1 question to complete.