Please elaborate more on your question so I can help you
C) In the absence of an unbalanced force, an object at rest will stay at rest and an object in motion will stay in motion.
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<span>Metamorphic rock undergoes weathering, erosion; the particles are deposited and undergo lithification.</span>
V: velocity of wave
f: frequency
L: wavelenght
v = fL => L = v/f => L = (3x10^8)/(900x10^3) => L = 3.33 x 10^2m
