Can a refrigerator catch fire? Refrigerators. One might never think of a refrigerator being a fire risk; however, an overheated compressor or an electrical short can cause fires. In addition, a light that stays on all the time can be hazardous. Why is my freezer cold but fridge warm? The most common cause for this […]
What is the main focus of positive psychology?
What is the main focus of positive psychology? Positive psychology focuses on positive emotions and personal strengths. It can complement rather than replace traditional psychotherapy. Studies evaluating outcomes of interventions using positive psychology have mostly been small and short term. What are the 3 major fields of psychology? It is important to recognize that these […]
Can permafrost melting be reversed?
Can permafrost melting be reversed? The cold air stops the permafrost from thawing. Another way to stop damage from thawing permafrost is to thaw the ground first. This method makes the ground more stable to build on. Then there is no danger of the ground beneath the new structure refreezing, because the structure keeps the […]
Are human involved in triggering natural disasters?
Are human involved in triggering natural disasters? So there’s little doubt that humans influence natural disasters over the long term. But can we also trigger sudden “natural” catastrophes? The answer is yes. From mud volcanoes to disappearing lakes, human actions can have all sorts of unforeseen environmental consequences. What are the effects of natural disaster […]
What is a normal breast size?
What is a normal breast size? In the last 15 years, the average bust size has increased from 34B to 36C. Whether the lift is due to breast augmentation surgeries or a side-effect of expanding waistlines is not known. Either way, from slinky to full-coverage undergarments, bras have graced the bodies of women since the […]
What are three examples of Commensalism?
What are three examples of Commensalism? Examples of Commensalism Remora fish have a disk on their heads that makes them able to attach to larger animals, such as sharks, mantas, and whales. Nurse plants are larger plants that offer protection to seedlings from the weather and herbivores, giving them an opportunity to grow. Tree frogs […]
How do you zero a triple beam balance?
How do you zero a triple beam balance? The triple beam balance is used to measure masses very precisely; the reading error is 0.05 gram. With the pan empty, move the three sliders on the three beams to their leftmost positions, so that the balance reads zero. What is the uncertainty of the triple beam […]
What is explosion in class 8?
What is explosion in class 8? CBSE NCERT Notes Class 8 Chemistry Combustion and Flame. The type of combustion reaction that occurs with the evolution of tremendous amount of heat, light, gases and sound is known as Explosion. For instance, when we burn a cracker it bursts with the liberation of tremendous amount of heat, […]
What is tissue and function?
What is tissue and function? Tissue is a group of cells that have similar structure and that function together as a unit. Primary types of body tissues include epithelial, connective, muscular, and nervous tissues. Epithelial tissues form the covering of all body surfaces, line body cavities and hollow organs, and are the major tissue in […]
What are the normal chromosome numbers of a sperm egg and zygote?
What are the normal chromosome numbers of a sperm egg and zygote? Healthy humans have 46 chromosomes, 23 from the sperm and 23 from the egg. An embryo with the wrong number of chromosomes is usually miscarried, or develops disorders such as Down’s syndrome, which is caused by an extra copy of chromosome 21. What […]