Peru can produce 20 tons of sugar or 20 tons of wheat. Brazil can produce 30 tons of sugar or 20 tons of wheat. Which country has the comparative advantage in sugar production?.

Atank contains 240 liters of fluid in which 10 grams of salt is dissolved. brine containing 1 gram of salt per liter is then pumped into the tank at a rate of 6 l/min; the well-mixed solution is pumped out at the same rate. find the number a(t) of grams of salt in the tank at time t.

Iwll give extra points to who gets this for ! what type of reaction is this? ?

What is i fracture in the crust called when land move up, down or sideways