What is the average weight for 50 year old woman? Average Weight for Women in the U.S. Average weights of U.S. women across the adult lifespan are: Ages 20-39: 167.6 pounds. Ages 40-59: 176.4 pounds. Ages 60 and up: 166.5 pounds. What is a good BMI for 50 year old woman? Doctors consider a healthy […]
What is meant by a hypothesis quizlet?
What is meant by a hypothesis quizlet? hypothesis. A tentative and testable explanation of the relationship between two (or more) events or variables; often stated as a prediction that a certain outcome will result from specific conditions. What is a testable hypothesis? For a hypothesis to be testable means that it is possible to make […]
Why is the electric potential energy of two like charges always positive?
Why is the electric potential energy of two like charges always positive? The graphs of potential energy between two charges for like and unlike charges are shown below. For like charges, the potential energy is always positive, that is because we need to put energy in the system to bring like charges closer together. What […]
Why is science so interesting?
Why is science so interesting? Here is a list of why science is cool: Science helps you explain the phenomena around you, such as how glaciers are formed or how we get fruits from a plant. Science enables critical thinking and help us critically analyze a phenomena or observation. Science helps us converse rationally with […]
What is an example of a reference source?
What is an example of a reference source? Use reference books (also called reference or background sources, or resources) to get quick specific facts or information or an overview of a subject. Some examples of reference sources are: dictionaries, encyclopedias, bibliographies, almanacs, directories, atlases, and handbooks. These can be online or in print. How do […]
What famous people failed high school?
What famous people failed high school? Just look at these 8 people who became highly successful despite their struggles in the classroom. Benjamin Franklin. Dropped out of school at the age of 10 to work as a soap and candle maker with his father. Elizabeth Holmes. Richard Branson. Steve Jobs. Bill Gates. Mark Zuckerberg. Walt […]
What impacts can an invasive animal species have?
What impacts can an invasive animal species have? In their new ecosystems, invasive alien species become predators, competitors, parasites, hybridizers, and diseases of our native and domesticated plants and animals. In addition, they are usually able to reproduce and spread quickly, often out-competing native plant and animal species for food water and space. Why are […]
What happens if a satellite is moving too fast enough to stay in orbit?
What happens if a satellite is moving too fast enough to stay in orbit? If the satellite is thrown out too fast it will escape from the Earth’s orbit because the gravitational pull is not sufficient to provide the required centripetal force. With the correct launch speed the satellite continues in its falling orbit around […]
What was the climate like in Cenozoic Era?
What was the climate like in 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. Does Cenozoic mean new life? Cenozoic, meaning […]
What is a chemical property simple definition?
What is a chemical property simple definition? A chemical property is any of a material’s properties that becomes evident during, or after, a chemical reaction; that is, any quality that can be established only by changing a substance’s chemical identity. They can also be useful to identify an unknown substance or to separate or purify […]