What happens when you see something?

a. You neither send out sight rays nor receive light rays onto your retina.
b. You send out sight rays and light reflecting off the object strikes your retina.
c. You send out sight rays that strike the object.
d. Light rays reflect off the object and strike your retin

Beryl states that insulation with the smallest possible thermal conductivity is best to keep a house warm in winter, but worst for keeping a house cool in summer. sapphire insists the reverse is true: low thermal conductivity is good in the summer, but bad in the winter. which one, if either is correct? a. beryl, because low thermal conductivity results in low heat transfer. b. beryl, because low thermal conductivity results in high heat transfer. d. sapphire, because low thermal conductivity results in high heat transfer. e. neither, because low heat transfer is desirable both in summer and in winter.