What should you not do with a pacemaker? What precautions should I take with my pacemaker or ICD? It is generally safe to go through airport or other security detectors. Avoid magnetic resonance imaging (MRI) machines or other large magnetic fields. Avoid diathermy. Turn off large motors, such as cars or boats, when working on […]
Why was Arctic sea ice so low in 2012?
Why was Arctic sea ice so low in 2012? It’s clear that Arctic sea ice is declining over time, although there are ups and downs each year. And scientists say the melt has been driven by both global warming and other pollutants that humans have put into the atmosphere. What was the sea ice minimum […]
At what age are people most physically active?
At what age are people most physically active? Age The age group 18 to 44 was the most likely to exercise. Of those individuals age 18 to 44, 59.7 percent reported exercising at least three times a week for half an hour or more. This compares with 53.5 percent and 46.7 percent, respectively, for the […]
What is the difference between bacteria and archaea?
What is the difference between bacteria and archaea? Responses will vary. A possible answer is: Bacteria contain peptidoglycan in the cell wall; archaea do not. The cell membrane in bacteria is a lipid bilayer; in archaea, it can be a lipid bilayer or a monolayer. Bacteria contain fatty acids on the cell membrane, whereas archaea […]
How much horsepower does a barge have?
How much horsepower does a barge have? Power from their diesel engines ranges from 600 to over 10,000 horsepower. River barges also have flat bottoms and are usually 200′ long and 35′ wide. What is the most powerful tugboat in the world? FUN FACT: While the 309.6t bollard pull of the ALP Striker is surely […]
What is not an example of mechanical wave?
What is not an example of mechanical wave? Light, sound, and waves in the ocean are common examples of waves. Sound and water waves are mechanical waves; meaning, they require a medium to travel through. However, light is not a mechanical wave; it can travel through a vacuum such as the empty parts of outer […]
What type of icing is a carburetor susceptible to?
What type of icing is a carburetor susceptible to? Impact Ice. It usually forms when visible moisture such as rain, snow, sleet, or clouds are present. Most rapid accumulation can be anticipated at -4°C. This type of icing can affect fuel injection systems as well as carburettor systems and is also the main type of […]
Are darkroom chemicals dangerous?
Are darkroom chemicals dangerous? The majority of chemicals used in the black and white darkroom are classified in the range of non-toxic to slightly toxic. However, black and white developers can be toxic, especially if when ingested or inhaled or when in contact with bare skin. Are the chemicals used to develop film Toxic? Most […]
Which of the following is a parasitic protist?
Which of the following is a parasitic protist? Parasitic protists in human: Plasmodium causes malaria. Entamoeba causes bloody diarrhoea. Giardia causes an upset stomach. Trypanosoma causes sleeping sickness and chagas disease. Which parasitic protist evades the host immune system? Trypanosoma brucei Is a tapeworm a protist? Common parasites are worms, arthropods, and fungi. The majority […]
What is the difference between the shutter and the diaphragm?
What is the difference between the shutter and the diaphragm? is that diaphragm is (anatomy) in mammals, a sheet of muscle separating the thorax from the abdomen, contracted and relaxed in respiration to draw air into and expel air from the lungs; also called thoracic diaphragm while shutter is one who shuts or closes something. […]