In which location would you be most likely to find a metamorphic rock? explain why?
a. the beach
b. a forest
c. on a mountain
d. at the bottom of a stream
e. near a volcano

Metamorphic rocks can be found on the surface in the highly eroded features of old mountains, in upwardly thrust exposures at certain beach areas, and in glacial drift they can be found as erratic's, rocks that are not native to an area.

sonar - device which is used to find the submit submarines, sankalp ship. sonar waves consists of a transmitter and detector which are installed in the observation centre on board of a ship. the ultrasonic waves are sent into the sea at high frequency about 1000 khz in all direction.

fgravity=10x10=100n case 1

fgravity=30x20=600n case 2

6 times more