Examlex
The specific heat of water is 10 times greater than that of iron. You place a metal pot full of water on the stove to heat it up. You touch the metal handle of the pot when the water is still only lukewarm. Which of the following best describes what happens?
First Organisms
The first organisms refer to the earliest forms of life on Earth, which are believed to be simple, single-celled organisms that appeared billions of years ago.
Trilobites
Extinct marine arthropods with a hard exoskeleton, which lived between the Cambrian and Permian periods, serving as important index fossils.
K-P Boundary
The K-Pg (Cretaceous-Paleogene) Boundary marks the mass extinction event about 66 million years ago that led to the extinction of the dinosaurs and many other species.
Meteorite Impact
The collision of a meteorite with the Earth's surface, causing crater formation and often leading to significant geological changes.
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