In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").

A person wants their yard to be a wonderful ecosystem for local wildlife. They consider doing a few things in order to facilitate this, but ultimately decide that the best way to make a great impact is to (A) make some more money (B) plant a wet rope (C) plant a blue spruce (D) sing to their flowers
C

Heat can can cause matter to (A) shift phases (B) become intelligent (C) multiply (D) disappear
A

An example of thermal conductivity is (A) Leaving a fire log poker in the fire place (B) Sitting down on a bed (C) Throwing a large ball (D) Yelling into a megaphone at a crowd

A