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You are visiting your sister, who has 4-year-old twins.They ask whether they can have some milk, and you are pouring it for them.You choose one glass that is tall and thin and one that is short and wide.After you pour the milk, your niece is unhappy because you gave "more" milk to your nephew.You actually gave each of them the same amount, but your niece and nephew lack the mental ability to __________.
First Land Plants
Early plants that began to colonize the land over 470 million years ago, evolving adaptations to survive in terrestrial environments.
Radiometric Dating
Radiometric dating is a technique used to date materials such as rocks or carbon, by determining the relative proportions of particular radioactive isotopes present in the sample.
Isotope Decays
The process by which an unstable atomic nucleus loses energy by emitting radiation, leading to a change in its atomic number or mass.
Half-Life
Characteristic time it takes for half of a quantity of a radioisotope to decay.
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