Some yes,some,no. There are uesful and not-so-useful in both sexes. It really depends on your definition of "useful".
Useful: Energy Light Sound Non-Useful: Electricity C02
it is useful for idiots
useful effect viruses
Silence is most useful when broken.
YES swamps are useful to the country
Yes.
Limestone is the rock that is most useful to modern industrial countries because it is the source for the main ingredient in cement.
to make medicine or tool fromit
Depends on what you call 'useful'. If it is useful to learn how to kill hundreds of people in the shortest amount of time, and to learn how to castrate hundreds of men in the shortest time, then, yeah, they were useful.
Yes, cats are really useful to men. They scare away rats and snakes and can save a life or a deadly disease.
Pocket knives are useful tools.
Portable CD holders can be very useful to people who travel often and like to bring their music CD's with them. They are also useful for business men, or photographers to bring data based CD's.
44% to 39% percent of men carry pocket knives because they are a useful tool in everyday life.
Having confidence. It's the most useful weapon a woman has. It attracts 'better' men.
it might be useful because females give more info about their life than men excspecially on letters from their history time.
Because they thought the men would be more useful when it came to physical labor than women.
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