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2
3
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100

To be squashed between two things

sandwich

100

To shine with a light that seems to move a little

shimmer

100

The science of fossils.

paleontology

100

To say something in a low or hard-to-hear voice

mutter

100

Someone who has deep knowledge and skill in an area, usually from long experience

expert


200

a feature of something/someone

characteristiic

200

The science of matter

chemistry

200

Bleak and lifeless

barren

200

To make sudden, unsteady movement

lurch

200

to gently touch or push

nudge

300

Any substance the occupies space and has mass.

Matter

300

a movement, usually of the hand or head, to express meaning or point to something.

Gesture

300

the amount of matter in a substance or object.

mass

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