At what distance does gravity end? Near the surface of the Earth (sea level), gravity decreases with height such that linear extrapolation would give zero gravity at a height of one half of the Earth’s radius – (9.8 m·s−2 per 3,200 km.) What is SI unit of weight? The SI unit of mass is the […]
What happens when the retina detects light?
What happens when the retina detects light? When a photon reaches your eye it passes through the transparent cornea and then through the lens which refracts and focuses the light onto your retina, where the light is selectively detected and absorbed by special photoreceptor cells: the rods and cones. Why do doctors shine a light […]
What is the definition of system approach?
What is the definition of system approach? Systems approach is based on the generalization that everything is inter-related and interdependent. A system is composed of related and dependent element which when in interaction, forms a unitary whole. A system is simply an assemblage or combination of things or parts forming a complex whole. What word […]
What gases are released when wood burns?
What gases are released when wood burns? When wood is burned, the combustion reaction produces heat and emissions in the form of water, organic vapors, gases, and particulates. The emissions of most concern are carbon monoxide (CO), carbon dioxide (CO2), sulfur oxides (SOx), and nitrogen oxides (NOx). Does burning wood cause global warming? Scientists estimate […]
What is difference between peroxide and superoxide?
What is difference between peroxide and superoxide? The primary difference between a peroxide and a superoxide lies in the oxidation state of the oxygen atom. In a peroxide, the oxidation state of oxygen is known to be -1 whereas in a superoxide, the oxidation state of oxygen is known to be -1/2. What is phosphorus […]
Which country is best in nuclear power?
Which country is best in nuclear power? Top 15 Nuclear Generating Countries – by Generation Country 2018 Nuclear Electricity supplied (GW-hr) United States 807,078 France 395,908 China 277,056 Russia 191,340 Which country is first in nuclear power? Nuclear power plants currently operate in 30 countries. Most are in Europe, North America, East Asia and South […]
How can you improve your physical fitness?
How can you improve your physical fitness? They keep your heart, lungs, and circulatory system healthy and improve your overall fitness. Examples include brisk walking, jogging, swimming, and biking. Strength, or resistance training, exercises make your muscles stronger. Some examples are lifting weights and using a resistance band. Which exercise will help to cure diabetes? […]
What is the degree measure of each arc along the rim?
What scent do guys find most attractive?
What scent do guys find most attractive? Men are most attracted to floral scents while women find ‘woody’ aromas appealing – but you should avoid coconut if you’re trying to bag a date. Women looking for love should wear floral fragrances to attract a man, while preferring a ‘woody’ scent on potential lovers, according to […]
Is LiCl an electrolyte?
Is LiCl an electrolyte? Weak Electrolyte: The electrolytes in which the solute does not completely dissociate in the solution is called a weak electrolyte….There are basically three types of electrolytes: Strong Electrolyte Name NaNO3 Sodium Nitrate NaCl Sodium Chloride LiCl Lithium Chloride KCl Potassium Chloride Is AlCl3 an electrolyte? Question: Dioxane, C4H8O2, Is A Nonelectrolyte; […]