The phrase "the extent and frequency of" is correct and usable in written English.
It can be used when discussing the degree and regularity of a particular phenomenon or behavior.
Example: "The extent and frequency of the rainfall this year have significantly impacted the local agriculture."
Alternatives: "the level and occurrence of" or "the scope and regularity of".
A habitat suitability index is created based on the extent and frequency of inundation, water depth, temperature, and vegetation.
However, the extent and frequency of these temporal symptoms have not been extensively studied in Bipolar Disorder (BD).
The extent and frequency of bloodworm digging in northeast North America has never been investigated, making bloodworm fishery management difficult and an assessment of ecological impact impossible.
And yet, the extent and frequency of floods, and unrelenting greyness of the skies from April to late July, gnawed away with the idea that we were having more than just a bad year.
The extent and frequency of maintenance of navigable waterways in estuaries are determined by the rates of deposition of sediments, particularly fine, by the discharging river or rivers into that specific estuary.
We conclude that by increasing the extent and frequency of the reciprocatory motions used by an experienced sampling operator as well as enhancing the ejection pressure, the cellular yield can be increased almost three folded compared to the standard protocol.
"What is a reasonable use and whether a particular use is a nuisance cannot be determined by any fixed general rules, but depend upon the facts of each particular case, such as location, character of the neighborhood, nature of the use, extent and frequency of the injury, the effect upon the enjoyment of life, health, and property, and the like". 39 Am.
This part of the interview aimed to investigate the input and output modalities the participants would prefer for interacting with a mobile micro-navigation application and sought their opinions about the format, extent and frequency of the feedback provided by such a system.
In the global theme of climate change, sea-level rise will increase the areal extent and frequency of inundations, and this could further affect the quantity and quality of organic matter mobilized in a tidal marsh estuary.
The ex vivo incorporation of BMSCs into all bone-derived scaffold preparations substantially increased the mean extent and frequency of samples containing de novo bone formation over similar nonseeded controls, as determined by histological and histomorphometrical analysis.
A changing climate and a century of policies that encourage fire suppression, has increased the recent extent and frequency of Western US fires [3].
