Answer: Asia (Beringia)
Explanation: The ancestors of living Native Americans arrived in what is now the United States at least 15,000 years ago, possibly much earlier, from Asia via Beringia.
It is called selective attention. Selective attention is essential for an individual to focus on a certain stimulus instead of looking at the whole picture. This ability enables our mind to restrict other information to avoid sensory overload. Selective attention is also believed to filtering out those "unimportant" stimuli so we can focus on what is relevant.
Scientists control the number of significant digits in calculations involving measurements the more digits, the more precise the calculation is. Scientists often use scientific notation to work with very small or very large numbers in a more organized way, because it allows to write the numbers in a compact way.
Answer:
A panic attack
Explanation:
A panic attack is a psychological mental state. It occurs instantly and creates a problem for a person. It creates several physical symptoms. It is a very intense and frightening condition. When it occurs it creates a problem like it seems a person has a heart attack.
Many people in their life face this from one or two times. If a person has a panic attack and this condition consistent for a long time and it seems like a heart attack. The person feels like again face panic attack is called panic disorder.
Thus here Bert's condition in the mall reveals that he was suffering from a panic attack, not a heart attack.
