The phrase "are relatively rich" is correct and usable in written English.
It can be used to describe a group or category that possesses a significant amount of wealth or resources compared to others.
Example: "The countries in this region are relatively rich, boasting high GDPs and advanced infrastructure."
Alternatives: "are quite affluent" or "are fairly wealthy."
Elsewhere, we have shown that empirical logit transformation of endemism, which constitutes an adjustment of absolute endemism with richness, ranks high the ecoregions that are relatively rich in endemics, but poor in species [26].
In the highlands the rocks are largely anorthosites, which are relatively rich in aluminum, calcium, and silicon.
We analysed the occurrence of saproxylic beetles under the conditions of semi-natural forestry in Estonia where managed stands are relatively rich in deadwood.
Those two races are most intriguing – the delegate counts are relatively rich, the margins between each candidate are slim, and the influence they have on the electoral map will be significant this fall.
· Adele's album, 19, is out now Bagel with scrambled eggs and smoked salmon There is evidence that the most satisfying foods are those that release sugar slowly into the bloodstream and are relatively rich in protein.
The elevated areas of the Bakony are relatively rich in rainfall, while the southern parts of the mountains and hills because of Mediterranean climatic influences see a lot of autumn sunshine.
Some are relatively richer in adenine and thymine, while others have more guanine and cytosine.
The number of predictors for fathers' missing earnings as well as the number of groups of each variable are relatively richer than in previous studies in other countries.12.12
Like Neoceratodus, these fishes often inhabit green fresh water bodies that are relatively richer in long wavelengths of light.
The third source of gene features arises from gene orthology gene phenotype associations of other species that are relatively richer compared to gene disease studies in humans.
A shift in spectral sensitivity towards longer wavelengths may be adaptive for animals living in nutrient-laden 'green' freshwater habitats, which are relatively richer in red light compared to most marine environments [ 23].
