Chemistry, 25.03.2021 01:00 rainbowsauxe
How are weathering and erosion different? Choose the best statement.
A. Weathering is the movement of rock and erosion is when the rock remains in the same place.
B. Weathering causes rocks to break down and erosion is when the rocks are carried from one place to another.
C. Erosion occurs over a longer period of time and weathering occurs over a shorter period of time.
D. Weathering is caused by wind, water, and other rocks but erosion is caused only by wind.
Answers: 2
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The drawing represents the movement of particles in a substance. what changes of state can this substance undergo
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When a beta particle is emitted, the mass number of the nucleus a. decreases by one b. increases by one c. remains the same d. decreases by two
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Which best describes the activation energy of a chemical reaction? a. the combined energy of all the reactants b. the amount of energy required for a reaction to occur c. the difference in energy between products and reactants d. the potential energy stored in the bonds of reactants and products
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How are weathering and erosion different? Choose the best statement.
A. Weathering is the movement...
Mathematics, 20.11.2020 07:20
Mathematics, 20.11.2020 07:20