Why have many of the fermentation applications gone unchanged for the last 10000 years?

What is the LCM of 234 and 5? What is the surface area of a rectangular prism with measurements of 4 cm and 2cm? 30 percent of 213? What is 0.906 in words? What the answer that round 675 to the nearest hundred? How does the eye use negative enlargement? Does length mean long? Why is a graph more informative than an equation? When is there going to be timemachines? The shortest distance from the center of the circumscribed circle to the sides of the inscribed triangle is the circles radius? When a maths question say show that what does it mean? What is the Roman Numeral for 1293? How many parallel line segments does a trapezoid have? How many times can 18 go into 14? What is the square factor from a square inch to a square foot? What would a? Why is it important for a student to know how to count money? What is -8 with a square root of 4 and -1 with a square root of 8? How do you write 372 billion in numbers? What is hyperbole for school?