The phrase "all of which tend" is correct and usable in written English.
It can be used when referring to a group of items or concepts that share a common characteristic or behavior.
Example: "The studies reviewed various factors affecting climate change, all of which tend to exacerbate the issue."
Alternatives: "all of which are inclined" or "all of which tend to".
Then there are also Washington DC, Boston and Seattle – all of which tend to be expensive to live in.
The Web site also sells ceramic pie dishes, old pie safes and other items, all of which tend to sell fast.
They are faced with problems of co-ordination since their interventions are staggered in time and space with, as a result, maladjustment and conflict, all of which tend to diminish the effectiveness of marketing arrangements.
The little parties (Scottish Nationalists, Welsh Plaid Cymru, Greens — they won a seat!), all of which tend left of center, sign on to make a firm ruling majority in the House of Commons.
Anyone who wants to access them has to use virtual private network (VPN) services, many of which cost money and all of which tend to slow down browsing speeds.
It is the mystery of authority that confirms our trust in it, the idea of an invisible hand or mysterious market forces all of which tend benevolently towards human well being.
Tai chi combines the physical components needed to stay upright leg strength, flexibility, range of motion, and reflexes all of which tend to decline with age.
Tai chi helps improve balance because it targets all the physical components needed to stay upright leg strength, flexibility, range of motion, and reflexes all of which tend to decline with age.
The chemicals released cause a sudden increase in permeability of the local blood vessels, the adhesion and activation of platelets (blood cell fragments that trigger clotting), which release their own active agents, the contraction of smooth muscle in the gut or in the respiratory tubes, and the secretion of fluids all of which tend to dislodge large multicellular parasites such as hookworms.
There are mimics of this disease, most of which tend to be rare.
Among external factors are noise and interference, both of which tend to mask or distort the measurement signal.
