Lens, Dual Hand, Each

Details:

Lens, dual hand is a component of the following stc-elementary unit(s): animal studies; changes; chemical tests; microworlds; organisms; plant growth and development; rocks and minerals; soils; solids and liquids; the life cycle of butterflies. It is also a component of the following stc/ms unit(s): catastrophic events. It is also a component of the following gems unit(s): matter.