The phrase "and which constitutes" is correct and usable in written English.
It can be used to introduce a clause that explains or defines something mentioned earlier in the sentence.
Example: "The document outlines the terms of the agreement, and which constitutes the basis for our partnership."
Alternatives: "and which forms" or "and which represents".
She gives them a job as her opening act and draws them into the travelling sideshow that is her life — and which constitutes the most interesting material in this show.
I took the train from Copenhagen – in the far east of the country – to Kolding in central Jutland, the western peninsula that points up at Norway and which constitutes the Danish "mainland".
In his "Testament," which he wrote for his sons and which constitutes the earliest known example of Old Russian literature written by a layman, Vladimir recounted participating in 83 noteworthy military campaigns and recorded killing 200 Polovtsy princes.
Also true, and included among the criteria, are what may be called concepts (prolēpsis), which consist of "a recollection of what has often been presented from without …" Therefore, one must always cling to that "which was originally thought" in relation to every single "term" and which constitutes its background.
Marker defined the problem: The exponential progress of stupidity and vulgarity, everyone's aware of it, but it's not just a matter of a vague feeling of disgust, it's a concrete fact, it's measurable (it can be measured by the volume of the "Woof!"s that greet talk-show hosts, which has risen by an alarming number of decibels in the last five years) and which constitutes a crime against humanity.
According to Weyl, there exists in the absence of matter a homogeneous metric field, a structural field (Strukturfeld), which has the character of a rest field, and which constitutes an all pervasive background that cannot be eliminated.
Near self-regulated criticality the cortical background activity displays aperiodic null spikes at which analytic amplitude nears zero, and which constitute a form of Rayleigh noise.
Importantly, these antibody responses are directed against parasites that represent distinct immunological demands (intracellular versus external), and which constitute a serious threat to Darwin's finches.
S100 proteins are calcium-binding proteins, which exist only in vertebrates and which constitute a large protein family.
The summarisers had constructed a particular notion of summarising which they cherished and which constituted their own 'gold standard'.
The CDESS includes reported cases that are involved in outbreaks and which constituted the base for identifying any outbreak.
