The phrase "and represent a large" is correct and usable in written English.
It can be used when discussing a significant portion or quantity of something, often in a descriptive or analytical context.
Example: "The survey results indicate that a significant number of respondents and represent a large portion of the population's views on the issue."
Alternatives: "and constitute a significant" or "and account for a major".
It isn't only westerners who take up NGO posts in regions like Leyte – local staff are integral and represent a large percentage of the workforce.
Disruption should address an unmet need and represent a large step forward in improving quality, access and outcome.
Logging inventories are common to tropical countries and represent a large source of data on forest structure and composition [20].
The food stamp benefits that appeared set to expire in March reach close to 40 million Americans, and represent a large share of the income in certain communities.
These types of links are complex and represent a large quantity of data to address.
These genes encode components of one multi-subunit complex and represent a large fraction of all mitochondrial protein-coding genes.
Resuspended sediments at the inlet end of the lake exert a higher oxygen demand than those from the outlet, and represent a larger pool of potentially mobile phosphorus compared to sediments at the outlet end of the lake.
Putative DNA transposons account for 9.65% of the MR fraction and represent a larger portion within MR than within HR fraction.
Newborn deaths account for a staggering 44 per cent of total mortality among children under five, and represent a larger proportion of under-five deaths now than they did in 1990.
By Rajat Madhok Newborn deaths account for a staggering 44 per cent of total mortality among children under 5, and represent a larger proportion of under-5 deaths now than they did in 1990.
By Pieter Desloovere Newborn deaths account for a staggering 44 per cent of total mortality among children under 5, and represent a larger proportion of under-5 deaths now than they did in 1990.
