1450ForestryMedium
Measurement of height there are many instruments, which can be used for this purpose; some of them are well suited to certain conditions and unsuited to others:
AThe Christen Hypsometer
BThe transit
CThe Forest Service Hypsometer
DThe Abney Level
EAll of the above
Correct answer
E. All of the above
Explanation
The correct answer is All of the above.