The phrase "are extremely different from" is correct and usable in written English.
You can use it to highlight significant differences between two or more subjects.
Example: "The two cultures are extremely different from each other in terms of traditions and values."
Alternatives: "are vastly dissimilar to" or "are markedly distinct from".
"Our genetic markers work because they are extremely different" from the DNA in healthy cells, says Victor Velculescu, who led the research.
All columns finally failed in matrix crushing; however, the failure patterns of R/ECC columns are extremely different from those of RC columns.
Supporters argue that Mr. Bhabha's work may be even more relevant today, as the war on terrorism forces the United States to make allies out of countries whose cultures are extremely different from its own.
This is the case despite of a low symmetry ratio between the Mk2 transition rates (e.g. the rates are extremely different from each other), which should make Mk2 a significantly better fit than Mk1.
Judd Apatow – his comedies are extremely different from the stuff I did, and that's just right and proper, the comedy zeitgeist has changed and I have to go with the parts that make sense for a guy in his late 50s".
There are many papers available on the widely used A356/A357 Al Si Mg alloys, however, most experimental data on their tensile or fatigue properties are generally obtained from specimens cast separately or produced under controlled laboratory conditions, that are extremely different from those of industrially cast components.
For example, resource-dependent rural communities can be extremely different from one another, because farming, mining, and forestry are each affected differently by shifts in the market economy and availability of resources.
It's extremely different from now".
"The situation is extremely different from 2008," Mr. Nanterme said.
It goes without saying that the poll is extremely different from the other results we have been seeing lately.
The way in which the group process developed was extremely different from the direction that the therapists had originally planned.
