"which clearly shows" is correct and usable in written English.
You can use it to introduce a clause that explains or expresses an idea or opinion. For example, "John was never late for work, which clearly shows his commitment and dedication."
A revised degree chart, which clearly shows the changes that are being proposed.
The opposite can be seen for the O NDs, (blue line) which clearly shows fast binding.
The tweet which clearly shows the location has been retweeted and favourited nearly 1,500 times.
Figure 4a shows the MRF obtained for the mainshock which clearly shows evidence of northward directivity and two subevents (Dreger, 1994).
All payment/reimbursement requests must be accompanied by an itemized invoice or receipt, which clearly shows detail of meals and drinks served.
Figure 1a is a typical cross sectional high-resolution TEM (HRTEM) image of the device, which clearly shows both the top and bottom metal/oxide interfaces.
It is written in a manner which clearly shows it's not for children but equally readers don't need to have a degree in astronomy to follow it either.
"The state must react to such a brutal massacre, which clearly shows the inhumane and utterly barbarous code followed by the mafia," he said.
"But then we thought the statue being covered up was just another story, until we actually found the photograph which clearly shows it".
Ms. Bergin asked Ms. Brinkley about her new yacht, a cute but respectable work boat she recently bought, which clearly shows Mr. Joel's influence.
A high velocity gradient in the radial direction is observed between two layers of spheres, which clearly shows how the heat transfer is increased within the bed.
