The phrase "are more closely connected" is correct and usable in written English.
You can use it to describe a relationship or association between two or more entities that is stronger or more intimate than others.
Example: "The two theories are more closely connected than previously thought, suggesting a deeper underlying principle."
Alternatives: "are more tightly linked" or "are more intimately related."
Moreover, the higher closeness centrality in Menorca implies that such plants are more closely connected (with shorter paths between them) in this island than in Tenerife, which we attribute to the presence of O. maxima, another generalist species in the community which keeps the network more cohesive.
Most are abstract, and many are more closely connected to Mr. Edwards's sculpture than might at first be apparent.
The program includes a quotation from the German poet Novalis: "We are more closely connected to the invisible than to the visible".
He goes on to state that dropout rates are more closely connected to lack of skills, self-discipline and home-life stability.
In summer, temperatures are more closely connected with latitude; July mean temperatures range from 39 °F (4 °C) in the Arctic islands to 68 °F (20 °C) along the country's southern border.
And although the public's enthusiasm for anti-plastic campaigns is partly motivated by the feeling that it is a simpler and more solvable problem than climate change, the two issues are more closely connected than most people realise.
He noted that many were watching how the United States responded because economies were "more closely connected than ever before".
They were debunking racism by showing their children that black families and white families were more closely connected by ancestry than racists liked to admit.
"The problem is, if you license out your technology, someone else is making it and they're more closely connected with the customer," Mr. Lackritz said.
And the best illustration I can think of — have you ever driven one of those X-Cars?" General Motors executives who were more closely connected with production were much more explicit, and even enthusiastic, about working with government.
