In surveying, it is best dealt with by
using abney level
removing them
laying offsets
avoiding them
Correct answer is C
No explanation has been provided for this answer.
The Stevenson's screen is raised about one meter above the ground in order to avoid
the influence of strong winds
the heat from the ground
the effects of nearby trees
rain drops entering it
Correct answer is B
No explanation has been provided for this answer.
An example of a landform produced by glaciation is
horizon
an ox-bow lake
a cirque
a sand-dune
Correct answer is C
No explanation has been provided for this answer.
An igneous rock with distinct grains of mica, fieldspar and quartz is
schist
basalt
granite
rhyolite
Correct answer is C
No explanation has been provided for this answer.
The sex ratio of any population may be affected by
mortality
migration
morbidity
fertility
Correct answer is B
No explanation has been provided for this answer.