The penguin has a sleek body that helps it to move quickly in water.
Star clusters is the only thing i can think of that would apply.
The p sublevel holds 6 electrons because it has 3 orbitals.
Answer:
Fossils tell us when organisms lived, as well as provide evidence for the Fossils are the preserved remains or traces of animals, plants, and other organisms from the past. Fossils, by comparing the anatomies of both modern and extinct species, allows scientists to study the skin, hair, and organs of ancient creatures.
Explanation: