What is matter and its properties? Matter is anything that occupies space and has mass. The three states of matter are solid, liquid, and gas. Extensive properties depend on the amount of material and include mass and volume. The ratio of two extensive properties, mass and volume, is an important intensive property called density. What […]
How many millions of years ago did the Cenozoic era began?
How many millions of years ago did the Cenozoic era began? 66 million years What era was a million years ago? Cenozoic Era What was Earth like 50 million years ago? Earth’s climate was warm relative to today. Polar ice sheets were smaller and sea level was higher. The climate in Nebraska was warm and […]
How many different states of matter are there?
What are the main differences between solids liquids and gases?
What are the main differences between solids liquids and gases? Three states of matter exist – solid, liquid, and gas. Solids have a definite shape and volume. Liquids have a definite volume, but take the shape of the container. Gases have no definite shape or volume. What is the difference between the density of solids […]
What river runs through San Antonio?
What river runs through San Antonio? Guadalupe River Where does San Antonio River begin? San Antonio Springs Where does the San Antonio Riverwalk start and end? Where does the San Antonio Riverwalk Start and End? The River Walk starts around 4 miles north of the city center, where E. Hildbrand Ave crosses the River. It […]
Does Hester Prynne feel shame or guilt?
What is the Cenozoic era best known for?
What is the Cenozoic era best known for? The other two are the Mesozoic and Paleozoic Eras. The Cenozoic spans only about 65 million years, from the end of the Cretaceous Period and the extinction of non-avian dinosaurs to the present. The Cenozoic is sometimes called the Age of Mammals, because the largest land animals […]
What was the climate like in the Cenozoic Era?
What was the climate like in the Cenozoic Era? The climate, which had been warm and moist in the Eocene, became cool, dry, and seasonal. For the first time in the Cenozoic, Antarctica was covered extensively with glaciers, which lowered sea level. Farther north, temperate forests replaced subtropical forests. What was the primary climate change […]
Has the Cenozoic era ended?
Has the Cenozoic era ended? No End in Sight for the Cenozoic Era The Quaternary Period and Cenozoic Era continue today and likely will remain until the next mass extinction event. Humans remain dominant and new species are discovered daily. How long did the Cenozoic era last? about 65 million years What event ended the […]
What is the Cenozoic era known for?
What is the Cenozoic era known for? The Cenozoic era is also known as the Age of Mammals because the extinction of many groups of giant mammals, allowing smaller species to thrive and diversify because their predators no longer existed. The beginning of the Paleogene period was a time for the mammals that survived from […]