When you see an airplane flying away from you, it appears to get smaller. However, you know that it stays the same size. The difference between your sensation and your perception of the plane illustrates the concept of:

sensory confusion.

Explanation:

the money supply is the total amount of money available in the economy. how do changes in the money supply affect people and businesses?

acts of terrorism occur globally. the united nations global counter-terrorism strategy was created in order to build adequate systems of support and solidarity with victims of terrorism. here´s a summary of the proposed key themes: the importance of giving victims a face and a voice; protecting their dignity; giving victims legal status and defending their legal rights; providing victims with medical, psycho-social and financial support; building solidarity with victims; improving media coverage of victims; and focusing on the link between victims and counter-terrorism efforts more generally.