By the way the question tells me I must think that it might be perspective because you need a perspective to bring things to life.
<span>By using superposition and cross cutting relationships, geologists can determine relative ages of rocks. This means they can determine which rocks are older and which are younger, but not the exact ages of the rocks. </span>
Hello there buddy,
Your correct answer would be "protein". Protein is the organic molecule that is needed for a active transport.
I hope this helps.
~Jurgen
