The phrase "extent and range of" is correct and usable in written English.
It can be used when discussing the scope or breadth of a particular subject, concept, or phenomenon.
Example: "The extent and range of the research findings indicate a significant impact on the community."
Alternatives: "scope and breadth of" or "degree and variety of".
The present experiment describes a pilot study that aimed to characterize the extent and range of individual variations in attention performance in persons classified as learning disabled.
It is urgent to expand the extent and range of giant panda habitat to allow giant pandas to move across landscapes in the face of ongoing climate warming.
Overall, our results indicated that the altitudinal extent and range of climatic variation was sufficient to overshadow the area effect in predicting fish species richness and assemblages in Chinese lakes.
We have designed a technique, which allows us to detect subtle cell photodamage and estimate the extent and range of phototoxic effects inflicted by interaction between scattered exciting light and fluorescent probes in the vicinity of the illuminated area.
In the third round of that season's FA Cup they were drawn at home to West Ham, Green taking the opportunity to introduce himself to a television audience via two beautiful goals that showcased the extent and range of his ability.
The extent and range of the impact of a no-deal Brexit is revealed in a confidential Cabinet Office document that warns of a "critical three-month phase" after leaving the EU during which the whole planning operation could be overwhelmed.
It's recognised as a problem to the extent that increasing the amount and range of data available is one of the targets of the sustainable development goals.
For example, gold oxide formation has been used extensively as a probe of gold electrode surface area, but this method can not be applied directly to an electrode of a different composition without considering the extent and potential range of oxide formation on that new material.
Therefore, such models are not suitable for the development of self report measures that are able to diagnose the extent and full range of reasons for non-adherence, in individual patients and populations.
We aimed to compare to what extent a range of antioxidant vitamins and carotenoids are associated with adulthood and childhood markers of socioeconomic deprivation and to adverse lifestyle factors.
A modified approach to wild dog management is needed, taking account of the extent of range of individual animals and the existing genetic characteristics of populations.
