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Which shows one example of a physical change and one example of a chemical change?
During a chemical reaction, the total amount of matter stays the same.
The continents of Earth are continually moving
Environmental Protection Agency (EPA)
similar chemical and physical properties
wind turbines are efficient only in certain areas
In undisturbed layers of sedimentary rock, the lowest layers contain the older rocks.
freezing water and burning coal
nitrate levels and turbidity
How does a balanced chemical equation satisfy the Law of Conservation of Mass?
During a chemical reaction, the total amount of matter stays the same.
The continents of Earth are continually moving
Environmental Protection Agency (EPA)
similar chemical and physical properties
wind turbines are efficient only in certain areas
In undisturbed layers of sedimentary rock, the lowest layers contain the older rocks.
freezing water and burning coal
nitrate levels and turbidity
Which is a problem with using wind turbines to produce energy?
During a chemical reaction, the total amount of matter stays the same.
The continents of Earth are continually moving
Environmental Protection Agency (EPA)
similar chemical and physical properties
wind turbines are efficient only in certain areas
In undisturbed layers of sedimentary rock, the lowest layers contain the older rocks.
freezing water and burning coal
nitrate levels and turbidity
Which of the following determines the up and down column in which an element is placed on the periodic table>
During a chemical reaction, the total amount of matter stays the same.
The continents of Earth are continually moving
Environmental Protection Agency (EPA)
similar chemical and physical properties
wind turbines are efficient only in certain areas
In undisturbed layers of sedimentary rock, the lowest layers contain the older rocks.
freezing water and burning coal
nitrate levels and turbidity
In the United States, which is responsible for ensuring the safety of the country's drinking water?
During a chemical reaction, the total amount of matter stays the same.
The continents of Earth are continually moving
Environmental Protection Agency (EPA)
similar chemical and physical properties
wind turbines are efficient only in certain areas
In undisturbed layers of sedimentary rock, the lowest layers contain the older rocks.
freezing water and burning coal
nitrate levels and turbidity
What do earthquakes tell scientists about the history of the planet?
During a chemical reaction, the total amount of matter stays the same.
The continents of Earth are continually moving
Environmental Protection Agency (EPA)
similar chemical and physical properties
wind turbines are efficient only in certain areas
In undisturbed layers of sedimentary rock, the lowest layers contain the older rocks.
freezing water and burning coal
nitrate levels and turbidity
Which statement best describes the law of superposition?
During a chemical reaction, the total amount of matter stays the same.
The continents of Earth are continually moving
Environmental Protection Agency (EPA)
similar chemical and physical properties
wind turbines are efficient only in certain areas
In undisturbed layers of sedimentary rock, the lowest layers contain the older rocks.
freezing water and burning coal
nitrate levels and turbidity
Which factors can have the greatest effect on the health of a river system?
During a chemical reaction, the total amount of matter stays the same.
The continents of Earth are continually moving
Environmental Protection Agency (EPA)
similar chemical and physical properties
wind turbines are efficient only in certain areas
In undisturbed layers of sedimentary rock, the lowest layers contain the older rocks.
freezing water and burning coal
nitrate levels and turbidity
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