Geologists find it useful to identification fossils in a rock sample because certain assemblages of species are character of speci geologic time periods.

Câu hỏi liên quan

• Choose the letter A, B, C or D to complete the sentences. "The break ______ of the family home following the divorce was a great shock to the children."

• Afterwards I’d read the manual, I found I could use the compu easily

• The function of pain is to warn the individual of danger, so he can action to avoid more serious damage

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• Since computer was invented, the work of accountants have been simplified

• None two butterflies have exactly same design on their wings 

• Her literature result is much  ......... than it was last year.

• My cousin composes not only the music, but also sings the songs the major Broadway musicals.

• Our tomatoes are ripen nicely, they’ll be ready eat in about a week

• Those of us who have a family history of heart dis should make yearly appointments with their doctors.

• By studying the fossils of pollen, which extremely resistant to decay, researchers can gain useful information about the vegetation of past.

• Every student must make up their own study list the classes he is going to take at the beginning of the quarter.

• Neither I nor she_______ seen the film before. 

• My mother doesn’t care how much does the washing machine cost because she is going to buy it anyway.

• You may choose one from the five World Heritage Sites in Viet Nam ____ in this leaflet to visit on your next field trip.

• That isn't Bill driving, .......................? 

• The winter storm that raced through the last two day moved east today

• Because not food is as nutritious for a baby as its mother’s milk, many women are returning practice of breast feeding

• Tucked away in the mountains of Bolivia Peru, Lake Titicaca are the highest navigable lake in the world.

• The geology professor showed us a sample about volcanic rock which dated back hundred years.

• Genetic engineering is helping researchers unravel the mysteries of previously incur diseases so that they can get to its root causes and find cures