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
Well overpopulation puts huge dent in available food supplies. This results in deforestation to make both farmland and lumber for building to house everyone. deforestation create CO2, and depletes vegetation which would have absorbed CO2
Gravity has a impact in the tides because of the moons gravational pull
1. C 2. B 3. A 4. D In that order