<span>Behavior that is aimed at helping another, requires some self-sacrifice, and is not performed for personal gain, defines: Altruism
one example of Altruism can be seen on what bill gates doing with his wealth. Rather than choosing to invest his capital into more business to generate more profit, he chooses to spend it to help less-developed countries.</span>
Runoff>precipitation > condensation
Your answer would be London.
