The correct answer is selective attention.
Molly can selectively choose what to focus her attention to and what to mute. In her case, she is listening only to what the teacher has to say and not pay attention to what her friends are talking about around her. She is able to do this because her selective attention has improved.
Answer:
July 2001, In Lusaka, Zambia
Explanation:
Ancient Greeks and Roman historians recorded that during the siege of Syracuse in 212 BC, Archimedes constructed a burning glass to set the enemy Roman warships on fire. They call this contraption the death ray.
The answer is Variable
Explanation: A variable is a quantity or a number that can vary or take on different values.
The variable is normally represented as a letter, in this case this number is represented as a "A".
The result of the variable focus on the experiment or the study.
There are three types of variable: independent, dependent, and controlled.
