What ethnicity has O negative?

What ethnicity has O negative? Distribution of blood types in the United States as of 2021, by ethnicity O-positive O-negative Caucasian 37% 8% African American 47% 4% Asian 39% 1% Latino-American 53% 4% Which blood type lives the longest? Life Span. Chances are higher you’ll live longer if you have type O blood. Experts think […]

Which types of energy are most commonly dissipated?

Which types of energy are most commonly dissipated? Energy is usually lost by heating up the surroundings though sometimes energy is dissipated as sound waves. for a radio or set of speakers, the electrical work is transferred into useful sound waves and infrared radiation is dissipated – ie wasted as heat energy. What is Joule […]

Why does a swing stop swinging?

Why does a swing stop swinging? When the swing is raised and released, it will move freely back and forth due to the force of gravity on it. The swing continues moving back and forth without any extra outside help until friction (between the air and the swing and between the chains and the attachment […]

Is a shovel a first class lever?

Is a shovel a first class lever? No, the shovel is a third-class lever. In such systems, the effort is positioned between the fulcrum and the load. Which class lever is a nutcracker? class 2 Why is a shovel a first class lever? The shovel becomes a lever when you move to pick the dirt […]

What are the two major types of animals?

What are the two major types of animals? The Animal Kingdom About 75% of all species on Earth are animals. Animals are then broken down into two types: vertebrates and invertebrates. Animals with a backbone are vertebrates. What are the 11 Phylums? A Brief List Of 21 Animal Phyla Phylum Porifera (Sponges) Phylum Coelenterata (Cnidaria) […]

Does tension increase as length increases?

Does tension increase as length increases? Researchers have found that both of these structures can contribute to passive tension during muscle fiber elongation. As the muscle fiber (and therefore each sarcomere within it) is tested at longer lengths, the available sites for myosin to bind to actin are increased, and the amount of force increases. […]

Are CRTs dangerous?

Are CRTs dangerous? Color CRTs may contain mercury or other potentially toxic materials. If the CRT is broken or cracked, these materials may be released and pose a risk of toxic exposure. A charged CRT carries high voltage—about 27,000 volts in a color unit. Can a CRT TV kill you? You will see the little […]

What the Lions eat?

What the Lions eat? What do lions eat? Lions usually hunt and eat medium-sized to large hoofed animals like wildebeests, zebras, and antelopes. They occasionally also prey on larger animals, especially sick or injured ones, and eat found meat such as carrion. Which dogs can kill lions? What Dog Can Take Down A Lion? Rottweiler. […]

Should I put my water heater on a timer?

Should I put my water heater on a timer? A water heater timer can save you money on both your electricity and water bills. For example, if your utility company charges more in the morning or the evening, a timer for your water heater will help reduce the cost per kilowatt of usage. Should I […]

What is the best way to identify a igneous rock?

What is the best way to identify a igneous rock? Cooling of the magma can occur beneath the surface (plutonic) or on the surface (volcanic). Igneous rocks can be identified by the determination of the composition and texture of the rock. Once these two characteristics have been identified, the Igneous Rock Identification chart is used […]

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