<span>Substitution Effect, The idea that as prices rise (or incomes decrease) consumers will replace more expensive items with less costly alternatives</span>
Voyager 2
On November 5, 2018, Voyager 2 officially left the solar system as it crossed the heliopause, the boundary that marks the end of the heliosphere and the beginning of interstellar space.
Because there wasn't enough water or rain to grow certain type of crops that require a certain amount of water that they did not have.
