The correct answer is letter <span>A. dedicated. </span><span>The question talks about the Unit 7 of Lesson 12
Unit Checkpoint: Life Stories, Part 1. It describes the scientists as </span>dedicated. Scientists are mostly dedicated to the things that they are doing because whatever the output of their experiments are later be used.
Okay, did you have a conversation with one of the higher people in your school? If you're uncomfortable report it to the office.
Definition of aggregate. (Entry 1 of 3) : formed by the collection of units or particles into a body, mass, or amount.