Post a New Question

Earth Science

posted by .

1. Is it true that since energy cannot be created nor destroyed, the total energy of the river system remains constant?

2. What is the source of energy that powers the water cycle?
a. sunlight insolation
b. kinetic energy
c. radioactive decay
d. gravitational potential energy

3. What is the source of energy that powers the weather?
a. sunlight insolation
b. chemical potential energy
c. radioactive decay
d. gravitational potential energy

Thank you.

  • Earth Science -

    1. Energy ios conserved in CLOSED systems. A river system is not a "closed" system. Energy and matter are free to enter and leave, and so energy is not conserved.

    2.a
    3.a

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Phycisal Science

    What characteristic separates the planets into Inner and Outer groupings?
  2. Physical Science

    Can someone please check these answers for me?
  3. Science

    The law of conservation of energy states that energy can neither be created nor destroyed. In many instances it may look as though energy is gained or lost, but it is really only changed in form. How is the law of conservation of energy …
  4. biology

    1. The energy used by living organisms a. is declining through time. b. is derived by breaking bonds that hold the atoms in organic molecules together. c. involves ionic bonds more often than covalent bonds. d. is available only from …
  5. Science

    Which 6 are energy from sunlight?? nuclear energy,geothermal energy,tidal energy,fusion energy,wind,hydroelectric energy,solar energy,biomass,fossil fuels,ocean thermal,energy conversion
  6. SCIENCE PLZZ HELP

    Which 6 are energy from sunlight?? nuclear energy,geothermal energy,tidal energy,fusion energy,wind,hydroelectric energy,solar energy,biomass,fossil fuels,ocean thermal,energy conversion
  7. Science

    Ms. Lewis is a chemist mixing two solutions together. A chemical reaction takes place, and the solution becomes warm. Which statement best describes what has happened?
  8. Science-check my answers plz

    Which of the following explains why sunlight is important to aquatic ecosystems?
  9. Science

    1. Which of the following explains why sunlight is important to the aquatic ecosystems?
  10. science

    how should each form of energy be identified?

More Similar Questions

Post a New Question