The phrase "and which therefore poses" is correct and usable in written English.
It can be used to indicate a consequence or implication of a previously mentioned idea or situation.
Example: "The new policy has several drawbacks, and which therefore poses challenges for implementation."
Alternatives: "and thus presents" or "and consequently creates".
The role of the Hall current is to increase the reconnection rate with respect to MHD predictions, which therefore poses a promising mechanism for fast reconnection.
Which therefore poses the greatest dilemma of all: not just the question of funding news in a digital age that wrecks revenue streams, but a chilling question for editors – and most of all for you, the audience.
The I.C.U., with its spectacular successes and frequent failures, therefore poses a distinctive challenge: what do you do when expertise is not enough?
But this contemporary movement of labor within Asia is different, and, therefore, poses some unique challenges.
One option, pushed by conservatives, would be to maintain the ban on embryonic stem cell research while increasing financing for experiments on adult stem cells, which are obtained from blood and bone marrow and therefore pose no ethical objections.
Among the plans being considered, according to people familiar with the debate, is one that would prohibit embryonic stem cell studies but increase support for experiments involving adult stem cells, which are extracted from blood and bone marrow and therefore pose no moral questions.
However, viral titers in asymptomatic waterfowl may be much lower than in diseased poultry (11 ) and may therefore pose a low risk to humans, which our study was underpowered to identify.
The depletion of fish stocks, the degradation of marine environments and the encroachment of industrial fleets therefore poses a major existential threat to these traditional fishing communities.
Questions have been raised over the years about aluminum and metal alloy bats, which can increase the "exit velocity" -- the speed at which the ball leaves the bat -- and therefore pose a greater risk of serious harm, advocates of the ban argue.
The highest Fe concentration determined in the flour samples was 201.40 ± 0.14 mg/Kg which is far above the WHO set limit and therefore pose a health threat.
