Which coral reefs are in danger? Almost 95% of coral reefs in Southeast Asia are threatened. Indonesia has the largest area of threatened coral reefs, with fishing threats being the main stressor on coral reefs. More than 75% of the coral reefs in the Atlantic are threatened. How do humans impact the coral reef? Pollution, […]
What is T2 * used for?
What is T2 * used for? T2*-weighted sequences can be used with ferucarbotran or superparamagnetic iron oxide (SPIO) contrast agent enhancement to depict liver lesions (13,14). components in tissues, such as deoxyhemoglobin, hematoma, or calcification, and can be used for differentiating the susceptibility differences among tissues (17). What is a T2 * in MRI? T2 […]
What happens to intrathoracic pressure during inspiration?
What happens to intrathoracic pressure during inspiration? Inspiration drops intrathoracic pressure, dilates the thoracic vena cava, and acutely decreases atrial filling. Cardiac output falls, and consequently arterial pressure falls. The drop in arterial pressure reduces stretch on the arterial baroreceptors, causing a reflex increase in heart rate. Why does BP decrease during inspiration? As the […]
Is there forces of attraction among the particles in all matter?
Is there forces of attraction among the particles in all matter? Particles of matter of the same substance, such as the same element, are attracted to one another. The force of attraction tends to pull the particles closer together. The particles need a lot of kinetic energy to overcome the force of attraction and move […]
What is special about the fall equinox?
What is special about the fall equinox? The autumnal equinox is the moment that the sun crosses the equator from north to south, in September each year. The autumnal equinox marks the beginning of autumn in many places around the world, in the northern hemisphere. In the southern hemisphere this marks the beginning of spring. […]
Can a nuclear power plant power a city?
Can a nuclear power plant power a city? A 1,000-megawatt power plant can meet the needs of a city the size of Boston or Seattle. ∎ Nuclear power plants require little land vs. and potentially more smog. How much electricity can 1 gram of uranium produce? The fission of 1 g of uranium or plutonium […]
Is it better to represent data in tabular form or in graph?
Is it better to represent data in tabular form or in graph? Information: If the data that you have to be represented have numerical values, as well as details in text format, tables will represent it better. Charts do not have a way to represent text information without limitations. It can play with numbers to […]
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What does Lenz law state?
What does Lenz law state? Lenz’s law, in electromagnetism, statement that an induced electric current flows in a direction such that the current opposes the change that induced it. This law was deduced in 1834 by the Russian physicist Heinrich Friedrich Emil Lenz (1804–65). Lenz’s law. What are the four Maxwell’s equations? The statements of […]