Explorers had caused problems by taking over
I think a or c but if it is worg i will come back in see
The biggest obstacle was the presence of Native Americans who lived on the lands that people in the United States considered manifestly theirs.
The auditory form of sensory memory, which takes the form of an echo that lasts for up to 4 seconds is termed Echoic Memory.
<h3>What is Echoic Memory</h3>
Echoic memory is the aspect of sensory memory which is used by the auditory system. Echoic memory is able of withholding a large amount of auditory information, which can usually last for only 3–4 seconds.
This echoic sound is repeatedly played in the mind for this small amount of time shortly after the presentation of the auditory stimulus.
<h3>Other types of Sensory Memory</h3>
- Iconic Memory
- Haptic Memory
- Short-Term and Working Memory
Learn more about sensory memory at brainly.com/question/1147955
