Today earths magnetic field is losing approximately 7 percent of its strength every 100 years. If the strength of earth magnetic field at its surface is 0.5 gauss today, what will it be 100 years from now?

A combination reaction occurs when two or more reactants form one product. A. True B. False

If the plant with the genotype Rr crossed with another plant with the genotype Rr, what are the possible genotypes of the offspring.

A beam of visible light is passed through a plexi glass container filled with water. If a beam of light comes in at a slight angle, describe the change in the path of the beam of light as it passes through the container, moving in from one side and

What's your normal body temperature? it may not be 98.6°f, the oft-quoted average that was determined in the nineteenth century. a more recent study has reported an average temperature of 98.2°f.

What value relates the speed of light in a vacuum to the speed of light in a given material? A) angle of incidence B) angle of refraction C) index of refraction D) index of reflection

Which has a neutral charge?

A 2kg object is moving horizontally with a speed of 4 m/s. How much net force is required to keep the object moving at this speed and in this direction

How do we know the universe is a closed system?

An oscilloscope shows a steady sinusoidal signal of 5 Volt peak to peak, which spans 5 cm in vertical direction on the screen.

A circular coil has a 10.0 cm radius and consists of 30.0 closely wound turns of wire. an externally produced magnetic field of magnitude 2.60 mt is perpendicular to the coil.