What are soil remediation techniques? Remediation techniques which have been commonly used include: containment, pump-and-treat, extraction, stabilization/solidification, soil washing, air stripping, precipitation, vitrification, thermal desorption and biological remediation. What are the methods of soil remediation? Options for treating contaminated soil include: Biological treatment/bioremediation uses bacteria to break down substances in the soil. Chemical oxidation converts […]
Is dentist mirror real or virtual?
Is dentist mirror real or virtual? The dentist uses a CONCAVE MIRROR to observe a magnified image of the tooth. As we know, a concave mirror forms a virtual, erect and magnified image… How do doctors use concave mirror? If the object is placed between the focus and pole of a concave mirror, it provides […]
Does aluminum expand faster than steel when heated?
Does aluminum expand faster than steel when heated? The coefficient for aluminum is 2.4, twice that of iron or steel. This means that an equal temperature change will produce twice as much change in the length of a bar of aluminum as for a bar of iron. Lead is among the most expansive solid materials, […]
Which investment is the best for someone who is likely to need cash soon?
Which investment is the best for someone who is likely to need cash soon? savings account is the answer. Step-by-step explanation: Saving account is the only option that can be used by someone who is likely to need cash soon. The mutual funds cannot be withdrawn before three years as the amount will be taxable. […]
What is the advantage of acceleration?
What is the advantage of acceleration? ➢ Accelerated students experienced higher levels of academic achievement in both high school and in college courses than non- accelerated students. Accelerated students enjoyed higher high school GPAs than non-accelerated students. How do you accelerate grades? One of the best-known forms of academic acceleration, grade skipping involves moving the […]
Why is force inversely proportional to square of distance?
Why is force inversely proportional to square of distance? This is because the force acts uniformly in all directions from the point source and conserves the energy over the entire surface surrounding the point object. Since the surface is a sphere the area of the sphere is given as 4πr2. What is the inverse square […]
How do you classify a metal?
How do you classify a metal? The elements can be classified as metals, nonmetals, or metalloids. Metals are good conductors of heat and electricity, and are malleable (they can be hammered into sheets) and ductile (they can be drawn into wire). Is Silicon harmful to humans? Silicon crystalline irritates the skin and eyes on contact. […]
What happens if you bake a cake too long?
Is friction useful in rowing?
Who predicted properties of undiscovered elements?
Who predicted properties of undiscovered elements? Mendeleev What are elements that have some properties of metals and some properties of nonmetals called? Metalloids may act either like metals or nonmetals in chemical reactions. Most metalloids have some physical properties of metals and some physical properties of nonmetals. They fall between metals and nonmetals in their […]