He is eating healthy food because he wants to get skinny.
(Idk if this was how i was supposed to answer but I hope this help!)
To have a contract with that group or a deal with that group
The study enables scientists to understand the importance of the roles that genes and environment play in intelligence.
<h3>What is inteligience study?</h3>
The term intelligience study has to do with the asessment of individuals to effectively complete a given task in short period of time.
Twins share the same environment hence, scientists can be able to decode the importance of the roles that genes and environment play in intelligence.
Learn more about intelligence:brainly.com/question/9944825
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The answer to the question is True