A Researcher Tests Learning for One Group of Rats in a Cold

question 23

Multiple Choice

A researcher tests learning for one group of rats in a cold room and for another group in a warm room.What is the dependent variable in this experiment?​

• A)The rats' learning performance
• B)​The experimenter
• C)​The temperature of the room
• D)​The size of the room

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Definitions:

Electron Shells

The different energy states of electrons arranged around the nucleus of an atom.

Atomic Weight

The sum of the weight of the subatomic particles in an average atom of an element, given in atomic mass units.

Green Olivine

A green-colored, magnesium-iron silicate mineral often found in igneous rocks, indicative of certain geological conditions.

Mantle

The thick layer of rock between Earth's crust and its outer core, responsible for plate tectonics and volcanic activity due to convection currents.