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In addition to distance, what factor determines the force of gravity between two objects?
older layers of sedimentary rock lie beneath younger layers
The poles will repel each other.
magnet
New substances form from the same number of atoms
the mass of each
temperature
Group 17
Nitrogen
A student wants to determine if an unknown metal contains iron. Which tool will best help the student determine this information?
older layers of sedimentary rock lie beneath younger layers
The poles will repel each other.
magnet
New substances form from the same number of atoms
the mass of each
temperature
Group 17
Nitrogen
Which group of nonmetals is the most reactive?
older layers of sedimentary rock lie beneath younger layers
The poles will repel each other.
magnet
New substances form from the same number of atoms
the mass of each
temperature
Group 17
Nitrogen
A student wants to find the best conditions for growing pumpkins. The student conducts research and learns that pumpkins grow best in partial sunlight. What is the independent variable?
older layers of sedimentary rock lie beneath younger layers
The poles will repel each other.
magnet
New substances form from the same number of atoms
the mass of each
temperature
Group 17
Nitrogen
Which is the most abundant gas in the Earth's atmosphere?
older layers of sedimentary rock lie beneath younger layers
The poles will repel each other.
magnet
New substances form from the same number of atoms
the mass of each
temperature
Group 17
Nitrogen
The law of superposition states that __________________________________.
older layers of sedimentary rock lie beneath younger layers
The poles will repel each other.
magnet
New substances form from the same number of atoms
the mass of each
temperature
Group 17
Nitrogen
What will happen if the north poles of two magnets are moved toward each other?
older layers of sedimentary rock lie beneath younger layers
The poles will repel each other.
magnet
New substances form from the same number of atoms
the mass of each
temperature
Group 17
Nitrogen
What is the common outcome of all chemical changes?
older layers of sedimentary rock lie beneath younger layers
The poles will repel each other.
magnet
New substances form from the same number of atoms
the mass of each
temperature
Group 17
Nitrogen
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