My science fair project problem statement is: "how many pennies in a stack will shine a flashlight for the longest amount of time? "

my hypothesis is "if a stack of two pennies is connected with an argentium wire to a light source’s circuit, then it will produce light."

with this experiment, what could be my controlled and constant variables?

What if the united states, mexico, and canada took the eu’s example and joined to forms north american union ? based on your knowledge of the europe union, describe two setbacks or hurdles that this idea might face

Which statement best describes a literary analysis? a literary analysis combines the writer's own opinions about a text with evidence from the text. a literary analysis contains only facts from a text and should not contain opinions. a literary analysis requires research from many sources of information to support an argument a literary analysis summarizes a text and makes a recommendation for others to read it.

Astudent answers 86 problems on a test correctly and receives a grade of 98% how many problems were worth the same number of points