What set of tools would be most useful in an experiment measuring the rate of transfer of thermal energy in four different liquids

i think it is abc and d because we are all winners here grab a participation trophy

Explanation:

First, he should measure how long it takes for the liquid to become clear if X and Y are mixed together. Then, he should measure how long it takes if he also adds substance A to X and Y. He will find out if substance A is a catalys

Explanation:

did the test rn