Answer:
So they are 93.6 inches tall
Explanation:
We have given that 1 plok is equivalent to 2.6 feet '
So 1 plok = 2.6 feet
It is given that 1 plok = 6 pleeka
And height of Sur'Kesh is 18 pleeka
As we know that 1 plok = 6 pleeka
So 18 pleeka 
As 1 plok = 2.6 feet
So 3 plok = 3×2.6 = 7.8 feet
And it is given that 1 foot = 12 inches
So 7.8 feet = 7.8×12 = 93.6 inches
Answer:
Coronaviruses are named for the crown-like spikes on their surface. There are four main sub-groupings of coronaviruses, known as alpha, beta, gamma, and delta.
Human coronaviruses were first identified in the mid-1960s. The seven coronaviruses that can infect people are:
Common human coronaviruses
229E (alpha coronavirus)
NL63 (alpha coronavirus)
OC43 (beta coronavirus)
HKU1 (beta coronavirus)
Other human