'Many' machines use the centrifugal force 'generated' by a sudden 'movement' to 'activating' catches and ratchets.

'If' a stone 'thrown' into a pond, the ripples will spread out 'from' the point 'where' the stone

Silver, one of the first 'metal' used by 'humans,' is 'an excellent' conductor of heat and 'electricity'

Although pocket gophers 'damage' crops, their 'tunneling' aerates the soil, which helps 'conserve' ground wate...

Select the lettered word that is most nearly opposite in meaning to the word in capital letters. FREQUENCY

Select the lettered word that is most nearly opposite in meaning to the word in capital letters. AMALGAMATE

Select the lettered word that is most nearly opposite in meaning to the word in capital letters. ARRHYTHMIC