C. located in front of the lens
the answer is the forth one treatment of cancer
Answer:
Im pretty sure 1 is gravity, 2 is force
Explanation:
C provides support for the body
<span>When an object is forced into resonance vibrations at one of its natural frequencies, it vibrates in a manner such that a standing wave is formed within the object. ... such patterns are only created within the medium at specific frequencies of vibration.</span>
