What nationality has type A blood?

What nationality has type A blood? According to the American Red Cross, the following statistics show the most common blood types in the U.S.: African American: 47% O-positive, 24% A-positive, and 18% B-positive. Latin American: 53% O-positive, 29% A-positive, and 9% B-positive. Asian: 39% O-positive, 27% A-positive, and 25% B-positive. Does blood type determine fertility? […]

Is Type 1 or 2 error worse?

Is Type 1 or 2 error worse? Of course you wouldn’t want to let a guilty person off the hook, but most people would say that sentencing an innocent person to such punishment is a worse consequence. Hence, many textbooks and instructors will say that the Type 1 (false positive) is worse than a Type […]

Who is known as the father of modern astronautics?

Who is known as the father of modern astronautics? For his ideas, careful research, and great vision, Tsiolkovsky has been called the Father of Modern Astronautics. Early in the 20th century, an American, Robert H. Goddard (1882-1945), conducted a variety of practical experiments in rocketry. When did Russia put a man in space? A Is […]

What do plants use to make their own food?

What do plants use to make their own food? The process by which land plants produce their own food using sunlight and carbon dioxide is known as photosynthesis (Figure 1). While carbon dioxide is absorbed by the leaves, the sunlight is captured by a chemical molecule in the plant, called chlorophyll (Chl). All photosynthetic organisms […]

How does a roller coaster go up a hill?

How does a roller coaster go up a hill? A roller coaster does not have an engine to generate energy. The climb up the first hill is accomplished by a lift or cable that pulls the train up. The higher the hill the coaster is coming down, the more kinetic energy is available to push […]

How does photon interact with matter?

How does photon interact with matter? Photons interact differently in matter than charged particles because photons have no electrical charge. give up their energy via secondary interactions (mostly ionization). The interaction of photons with matter is probabilistic, while the interaction of charged particles is certain. What happens if an incident photon collides with a moving […]

How can Brendan correct his diagram?

How can Brendan correct his diagram? Brendan drew a diagram to illustrate the centripetal force acting on a satellite. How can Brendan correct his diagram? Change the Fg = Fc vector so it is perpendicular to the v vector. Enrique is given information about a satellite orbiting Earth. What additional information does Hannah need in […]

Begin typing your search term above and press enter to search. Press ESC to cancel.

Back To Top