A.To attract more sea animals to the testing site.B.To drive dangerous sea animals away from the testing site.C.To help trace the sea animals being testing site.D.To determine how sea animals communicate with each other.
A.To attract more sea animals to the testing site.
B.To drive dangerous sea animals away from the testing site.
C.To help trace the sea animals being testing site.
D.To determine how sea animals communicate with each other.