For the first blank it would be: Lock
&
For the second blank it would be: Key
Definitely i would expect them to concern themselves with your problems when they are so beset with their own. Beset means having a lot of trouble with something, or having to deal with a lot of something causes problems. For example in a sentence; With the amount of traffic nowadays, even a trip across town is beset with dangers.
Conduction, it is direct contact from the hand to the hot coal.
(E) none of the above statements are true
rain almost always comes from west to east so the western side of the mountain ranges would get more rain. A and C are not very relevant to the question<span />