Who must certify recovery equipment used during maintenance service or repair of small appliances that use CFCS? 17 Cards in this Set EPA regulations include which of the following in the definition of small appliances Both A and B recovery equipment used during maintenance service or repair of small appliances must be certified by the […]
Can chlorine be used as a disinfectant?
Can chlorine be used as a disinfectant? Disinfectants Chlorine. Chlorine is one of the most commonly used disinfectants for water disinfection. Chlorine can be applied for the deactivation of most microorganisms and it is relatively cheap. Is chlorine safe for skin? An important thing to note is that chlorine can have some negative effects on […]
How much solar radiation reaches the earth?
How much solar radiation reaches the earth? The incoming solar radiation is known as insolation. The amount of solar energy reaching the Earth is 70 percent. The surface of the Earth absorbs 51 percent of the insolation. Water vapor and dust account for 16 percent of the energy absorbed. What percentage of solar radiation reaches […]
Which of the following is a use for rock salt?
Which of the following is a use for rock salt? Rock salt is often used as a gritting salt both residentially and municipally for managing ice and to a lesser extent snow. It can help to stop snow settling but is better used after snow has been cleared to prevent paths, roads, driveways and steps […]
What is the current in the circuit?
What is the current in the circuit? An electric current is a flow of electric charge in a circuit. More specifically, the electric current is the rate of charge flow past a given point in an electric circuit. The charge can be negatively charged electrons or positive charge carriers including protons, positive ions or holes. […]
What kind of molecule is CO2?
What kind of molecule is CO2? Carbon Dioxide is a prevalent chemical compound that is composed of a carbon atom and two oxygen atoms. Carbon Dioxide is important for plants during their process of photosynthesis. Carbon dioxide, CO2, is a chemical compound composed two oxygen atoms covalently bonded to a single carbon atom. How many […]
What is the direction of electric field line?
What is the direction of electric field line? These pattern of lines, sometimes referred to as electric field lines, point in the direction that a positive test charge would accelerate if placed upon the line. As such, the lines are directed away from positively charged source charges and toward negatively charged source charges. Does current […]
Where in the body are new blood cells made?
What are the advantages of simple machines?
What are the advantages of simple machines? Simple machines are useful because they reduce effort or extend the ability of people to perform tasks beyond their normal capabilities. Simple machines that are widely used include the wheel and axle, pulley, inclined plane, screw, wedge and lever. Which statement best explains correct Fiona is correct? Which […]