1. How is echolocation used by animals and in sonar?

When talking about memory and interference, what does the cluttered room example illustrate?

In the past week dylan, was laid off from work, was given notice he is in academic probation and was threatened to be evicted from his apartment. as a result, he has increased his usage of alcohol and cigarettes. which of these life skills would beneficial?

Select all of the possible methods of aids transmission.