Are masks effective against the coronavirus disease? Masks are now recognized as one of the most effective available tools to mitigate the spread of COVID-19. This intervention decreases transmission of the coronavirus and is a readily scalable measure to ensure the public’s health. Can antibiotics treat the coronavirus disease? Antibiotics do not work on viruses, […]
Can muscle fibers types change in response to targeted exercise?
Can muscle fibers types change in response to targeted exercise? The answers, in short, are yes and yes. Yes, there are different types of muscle fibers in the body, which are classified based on how they produce energy. Yes, the different muscle fibers can be trained using specific exercises designed to focus on how they […]
What are 3 man-made disasters?
What are 3 man-made disasters? Man-made disasters have an element of human intent, negligence, or error involving a failure of a man-made system, as opposed to natural disasters resulting from natural hazards. Such man-made disasters are crime, arson, civil disorder, terrorism, war, biological/chemical threat, cyber-attacks, etc. What are 10 man-made disasters? Top 10 man-made disasters […]
Which is the best predictor of the radioactive nature of an isotope?
Which is the best predictor of the radioactive nature of an isotope? The best predictor of the radioactive nature of an isotope is the neutron-to-proton ratio of the atom. Isotopes are atoms of elements having the same number of protons however they don’t have the same number of neutrons. Each isotope of an element will […]
What is the most common deficiency in color blindness?
What is the most common deficiency in color blindness? Red-green What Colours can colorblind not see? Color blindness, also known as color vision deficiency, is characterized by an inability to differentiate between different shades of colors, such as red, green, or blue. The primary cause of color blindness is a lack of light-sensitive pigments in […]
How can you tell if a resistor is blown?
How can you tell if a resistor is blown? Usually, the resistor gets hot, starts smoking, and makes a strange high-pitched squeal. Once a resistor has been blown, often no electricity can pass through it. Such resistors are said to have infinite resistance. What would cause a resistor to burn? Blowing Up a Resistor. By […]
Why is swallowing magnets bad?
Why is swallowing magnets bad? Why are magnets dangerous? When a single magnet is swallowed, it can become lodged inside the throat, lungs, or esophagus (the tube that connects the mouth to the stomach). This can lead to choking, difficulty breathing, or damage to the area. Is it dangerous to play with magnets? While they […]
Do we need to protect the crime scene Why?
Do we need to protect the crime scene Why? One of the most important aspects of securing the crime scene is to preserve the scene with minimal contamination and disturbance of physical evidence. First Responders to an incident should document the placement and/or movement of items at the scene. What type of evidence is usually […]
What is movable joint?
What is movable joint? A joint is the part of the body where two or more bones meet to allow movement. Generally speaking, the greater the range of movement, the higher the risk of injury because the strength of the joint is reduced. The six types of freely movable joint include ball and socket, saddle, […]
Why is reproducibility so important to scientists?
Why is reproducibility so important to scientists? Reproducibility is important because it is the only thing that an investigator can guarantee about a study. So reproducibility is important not because it ensures that the results are correct, but rather because it ensures transparency and gives us confidence in understanding exactly what was done. What motivates […]