Tom getUserGlobalId():Reading too much... am getting a headache! Use-specific AI systems. Jack is shorter than Jill and Mike is taller than Jack. Jill is taller than Tom but shorter than Sarah and Mike. Tom is shorter than Jill and Mike is taller than Tom. Sarah is the tallest. What is the best way to calculate the age of a tree using carbon dating? Carbon dating can't be used to calculate the age of a tree since carbon dating is only effective up to 50,000 years. Instead, a tree can be aged by counting its rings. AGE refuses to remain in any place except with BUD. AGE is in AA and BUD is in AB. What is the position of AGE and BUD? AGE is in position AA and BUD is in position AB.