Question

(2) Match the column:
column'A
(1) Sonography (2)sonar
column "B"
(a) to search underwater hills
(b) to locate cracks in metal blocks
(c)to follow the growth of unborn baby​

Answer 1

Answer:

1 c 2 a

Explanation:

sonography is like xray so it can be used to follow the growth of a baby

sonar is a tracking machine for submarines and water vehicles so it can be used to search underwater hills