Science

Joshua trees cannot germinate and grow as easily in today's warmer climate. Which of these actions would be most likely to help the species survive climate change?
Limiting the height of the tree.
Becoming a mature plant without leaves.
Growing in a range farther north.
Limiting growth to winter.

I think it is b or c.

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  1. 1. Joshua trees cannot germinate and grow as easily in today's warmer climate. Which of these actions would be most likely to help the species survive climate change?
    A. Limiting the height of the tree.
    B. Limiting growth to winter.
    C. Growing in a range farther north.***
    D. Becoming a mature plant without leaves.

    2. What tool gives scientists the best data to study ice loss near the poles?
    A. Argo floats
    B. air bubbles trapped in ice
    C. satellite measurements***
    D. ice core samples

    3. Identify the way oceans can influence climate change. Select the two correct answers.
    A. Ocean currents could affect prevailing winds.***
    B. Ocean acidity could affect marine organisms.
    C. Ocean heat could affect water volume.
    D. Ocean temperature could affect currents.***

    4. What action can help reduce the rate of global warming?
    A. creating barriers to hold flood water
    B. living in the desert
    C. reducing emissions from cars***
    D. burning coal for power

    5. In industry, indirect emissions of greenhouse gases are emissions produced
    A. by burning fossils fuels off-site to make electricity that is used on-site.***
    B. through chemical reactions.
    C. from leaks from equipment or processes.
    D. by burning fossil fuels on-site for power or heat.

    6. What is ozone?
    A. a type of fossil fuel that releases toxins into the air
    B. a gas composed of molecules with three oxygen atoms***
    C. a mixture of carbon dioxide and oxygen gases
    D. a gas produced when nitrous combines with oxygen

    7. The glass in a greenhouse is ________ to visible light and ______ to infrared wavelengths. The same can be said for greenhouse gases.
    *transparent*
    *opaque*

    8. Why should a model of the carbon cycle include the burning of fossil fuels?
    A. Burning fossil fuels moves carbon from the hydrosphere to the atmosphere.
    B. Burning fossil fuels moves carbon from the atmosphere to the hydrosphere.
    C. Burning fossil fuels moves carbon from the atmosphere to the geosphere.
    D. Burning fossil fuels moves carbon from the geosphere to the atmosphere.***

    9. Which indicator would tell scientists the most about future climate change?
    A. the discovery of new natural gas fields
    B. the data obtained from ice cores***
    C. new regulations to decrease the release of nitrous oxides
    D. record-breaking droughts

    Which of the following factors contribute to the periodic changes in 10. Earth's temperature known as the Milankovitch cycles? Select the three correct answers.
    A. Earth's atmosphere has been enriched in oxygen by cyanobacteria
    B. The concentration of carbon dioxide in Earth's atmosphere is decreasing
    C. Earth's orbit alternates between a circular and an elliptical shape***
    D. Earth's axial tilt varies between 22 and 24 degrees***
    E. Earth's shape is spherical
    F. Earth wobbles slightly on its axis***

    Just took the Practice. These all 100% correct :))

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  2. all are correct except 3. it is ocean temperature could affect currents. thanks!!

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  3. K is right I did the practice got 100

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  4. random child is 100% correct. Thank you!

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  5. random child is 1000000% correct!!! Thank you sooo much! 👍

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  6. @random child thanks

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  7. Random Child, thanks a ton!

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