阿甘
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阿甘 asked in 科學地理學 · 1 decade ago

請問有關地球科學的題目

2. The theory of plate tectonics ___________.

A. incorporates continental drift but not sea-floor spreading

B. incorporates sea-floor spreading but not continental drift

C. incorporates and explains both sea-floor spreading and continental drift

D. does not incorporate sea-floor spreading or continental drift

6. The average thickness of continental lithosphere is about ____________.

A. 30 km C. 150 km

B. 60 km D. 10,000 km

2. Which of the following comprises a mineral or minerals?

A. ice within a glacier on the continent of Antarctica .

B. grains of quartz on a beach in Rio de Janeiro , Brazil

C. industrial quality diamonds produced in a laboratory

D. A and B

4. Two distinct minerals may have the same chemical formula.

A. true B. false

5. A single mineral may take on multiple crystalline lattice structures.

A. true B. false

17. The shininess of a mineral is a helpful diagnostic property termed ____________.

A. color C. luster

B. specific gravity D. streak

2 Answers

Rating
  • 1 decade ago
    Best Answer

    2. The theory of plate tectonics ___________.

    A. incorporates continental drift but not sea-floor spreading

    B. incorporates sea-floor spreading but not continental drift

    C. incorporates and explains both sea-floor spreading and continental drift

    D. does not incorporate sea-floor spreading or continental drift

    6. The average thickness of continental lithosphere is about ____________.

    A. 30 km

    B. 60 km

    C. 150 km

    D. 10,000 km

    2. Which of the following comprises a mineral or minerals?

    A. ice within a glacier on the continent of Antarctica .

    B. grains of quartz on a beach in Rio de Janeiro , Brazil

    C. industrial quality diamonds produced in a laboratory

    D. A and B

    4. Two distinct minerals may have the same chemical formula.

    A. true

    B. false

    5. A single mineral may take on multiple crystalline lattice structures.

    A. true

    B. false

    17. The shininess of a mineral is a helpful diagnostic property termed ____________.

    A. color

    B. specific gravity

    C. luster

    D. streak

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