You are at a party talking to a group of friends, and your attention is suddenly drawn to another group's conversation as your name is mentioned. this is an example of

 The correct answer is :   The cocktail-party phenomenon

Explanation:  This effect is the ability of the brain mainly in the left hemisphere to orient the hearing capacity in a particular stimulus while other stimuli are filtered. Listeners can choose which stimulus is most suitable for them.

after balancing the chemical equation, what are the coefficients for these compounds?

h2s      

⇒ 3

hno3    

⇒ 2

works for edg

the correct answer is the following is a list of inventions made in the medieval islamic world, especially during the "islamic golden age" (8th to 13th centuries),[1][2] as well as the late medieval period, especially in the emirate of granada and the ottoman empire.

science and technology in the islamic world adopted and preserved knowledge and technologies from contemporary and earlier civilizations, including persia, india, china, and greece-roman antiquity, while making a number of improvements and innovations.