Which two properties characterize an air mass?

Stratovolcanoes can become larger than a cinder cone volcanoes because? A. Earthquakes aren't associated with stratovolcanoes B. Stratovolcanoes are the result of hardened pyroclastic flows C.

In order for work to take place Select one: A. the energy present must be related to the movement of the object. B. the force applied must be a balanced force resulting in motion of the object. C.

One of the best ways of insuring that we have a representative sample is to use a self-selected sample. True False

Why does gold survive being underground for years?

What is the motion of the negative electrons and positive atomic nuclei caused by the external field?

Determine the velocity of a beam of electrons that goes undeflected when moving perpendicular to an electric and magnetic field. The electric field and the magnetic field are also perpendicular to each other and have magnitudes 7.7 x 10^3 V/m and 7.

What is the electric potential of a 2.2 µC charge at a distance of 6.3 m from the charge? Recall that Coulomb's constant is k = 8.99 * 109 N • ___ V What is the electric potential at a distance of 99 m from the charge?___ V

what is a possible unit for the product VI, where V is the potential difference across a resistor and I is the current through the same resistor?

In old western movies, cowboys often would put their ear to a train track to listen for an oncoming train. What benefit would this method provide over listening for a train by listening for sound through the air? A) The sound would be louder.

What is meant by "reflecting" and "refracting" telescopes?