What are the disadvantages of cross sectional studies? As cross-sectional studies measure prevalent rather than incident cases, the data will always reflect determinants of survival as well as aetiology1. Unable to measure incidence. Associations identified may be difficult to interpret. Susceptible to bias due to low response and misclassification due to recall bias. What are […]
How is Sun Path calculated?
What happens when light touches a mirror?
What are 5 disadvantages of geothermal energy?
What are 5 disadvantages of geothermal energy? What are the Disadvantages of Geothermal Energy? Environmental Concerns about Greenhouse Emissions. Possibility of Depletion of Geothermal Sources. High Investment Costs for Geothermal System. Land Requirements for Geothermal System to Be Installed. Is geothermal energy hard to get? Even compared to combined-cycle gas plants, geothermal energy is four […]
What is polyatomic ion give example?
What is polyatomic ion give example? Polyatomic ions are ions which consist of more than one atom. For example, nitrate ion, NO3-, contains one nitrogen atom and three oxygen atoms. The atoms in a polyatomic ion are usually covalently bonded to one another, and therefore stay together as a single, charged unit. What is the […]
What other quantity is your slope equal to?
What other quantity is your slope equal to? The slope is representing the change in v over the change in time. By definition, this is the acceleration. Also more than just a gimmick, it’s geometry’s way of showing us how variables not only relate to one another, but how they can represent the rate of […]
What is the importance of being precise and accurate?
What is the importance of being precise and accurate? When taking scientific measurements, it is important to be both accurate and precise. Accuracy represents how close a measurement comes to its true value. This is important because bad equipment, poor data processing or human error can lead to inaccurate results that are not very close […]
What is the force of a kick?
What is the force of a kick? After looking at kicks from several different fighting styles, they found that experts could generate up to 9,000 newtons with them, equal to roughly a ton of force. A quick, sharp blow that delivers some 3,300 newtons of force has a 25 percent chance of cracking an average […]
What are the 4 types of friendships?
What are the 4 types of friendships? Friendship is categorized into four types: acquaintance, friend, close friend and best friend. What are five characteristics of a good friend? The 13 Essential Friendship Traits I am trustworthy. I am honest with others. I am generally very dependable. I am loyal to the people I care about. […]
What is the purpose of calorimeter?
What is the purpose of calorimeter? Calorimeter, device for measuring the heat developed during a mechanical, electrical, or chemical reaction, and for calculating the heat capacity of materials. Calorimeters have been designed in great variety. How can a calorimeter measure energy? The calorimeter traps all the heat from a chemical reaction, we measure the effect […]