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Detergents clean clothes by first removing particles of dirt from the fabric, then suspending the particles until they can be washed away.
clothes
particles of dirt
detergents
Wooly mammoths were hunted by big cats called sabertooth tigers, which also became extinct by the end of the last Ice Age. They were also hunted by early men armed with spears and clubs.
sabertooth tigers
early men
wooly mamooths
X-rays allow art historians to examine paintings internally without damaging them.
x-rays
art historians
paintings
There is a New England influence in southern Ohio, manifesting itself in white churches and village greens.
a New England influence
southern Ohio
Florists often refrigerate cut flowers to protect their fresh appearance.
florists'
flowers'
A flat kite needs a tail to supply drag and to keep the kite pointed toward the sky. A simple one consists of cloth strips tied end to end.
kite
tail
sky
A number of sculptors have rejected the abstractions of minimalist artists. These sculptors have developed a style of extreme realism involving ordinary subjects.
extreme realists
minimalists
Water is an exception to many of nature's rules because of its unusual properties.
nature's
water's
Compound bows are popular with bow hunters, but they are not permitted in international archery competitions.
bow hunters
compound bows
archery competitions
Ropes are cords at least .15 inches in diameter and are made of three or more strands which are themselves formed of twisted yarns.
yarns
ropes
strands
cords
Grocers slice sides, quarters, and what are called primal cuts of beef into smaller pieces. These pieces are called retail cuts.
smaller pieces
sides, quarters, and primal cuts
primal cuts
Leaves are found on all deciduous trees, but they differ greatly in size and shape.
trees
leaves
In the past, biologists considered mushrooms and other fungi as a type of non-green plant. Today, however, they are most commonly regarded as a separate kingdom of living things.
mushrooms and other fungi
biologists
plants
After electron microscopes were invented, scientists found many new viruses. Some of them were round, some oval, and some corkscrew-shaped.
electron microscopes
viruses
scientists
The Wisconsin Dells is a region where the Wisconsin River cuts through soft sandstone. The strange formations that have been carved out of the rocks there are a delight to tourists. They have names such as Devil's Elbow, Grand Piano, and Fat Man's Misery.
strange formations
tourists
rocks
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