Which statement correctly describes Earth’s magnetic field? A) A compass can lead a hiker to the geographic North Pole.

B) The magnetic pole near the South Pole is a north pole.

C) Compasses point toward a magnetic pole that is a north pole.

D) Field lines circle Earth from east to west.

Which formula can be used to calculate the molar mass of ammonia (nh3)? molar mass of n + molar mass of h 3 × molar mass of n + molar mass of h molar mass of n + 3 × molar mass of h 3 × molar mass of n + 3 × molar mass of h

Melissa is interested in her family tree and how her family has changed over its many generations. melissa probably more closely resembles

Consider the following reaction at equilibrium: c(s)+h2o(g)⇌co(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.