Answer:
Ctrl + D used to duplicate a slide
It is supposed to symbolize a heart, signifying love.
Is this self advertising because its not a question so i have no answer for you and if i missed something on the website that was a question let me know
Answer:
Independent variable is temperature
Explanation:
An equation has this form: Y= f(x), where Y is dependent variable andX is independent variable.
In this case Y ( Dependent variable) is Perfomance in test, an it depends on x(Independent variable) wich is temperature.