Ground penetrating radar
a. is very inexpensive and thus widely used in archaeological surveys.
b. is extremely slow, but widely used nonetheless.
c. is a remote sensing technique in which radar pulses directed into the ground show the presence and depth of possible buried features.
d. is simple to operate.
e. is simple to interpret the results.
Question 2
The degree of electrical resistance of soils is affected by all of the following EXCEPT
a. the degree of compaction of the soil.
b. the amount of water retained in the soil.
c. the presence of foundations or walls.
d. the aggregation of fill in pits, ditches, and middens
e. the amount of electricity sent through the soil
Sperm penetrating egg cell
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