Answer:
caffeine — independent variable
Explanation:
Independent variable: In psychological research, the term independent variable is defined as the variable that is changing, altered, and manipulated by the experimenter or the researcher. The independent variable is responsible for affecting the dependent variable in an experiment i.e, any changes in the independent variable will cause a direct effect on the dependent variable.
In the question above, the pair that correctly identify a variable in this experiment is the caffeine — independent variable.
They both believed that it was important to stay productive
Answer:
i believe it was to draw
Explanation:
if different i will add coment
Answer:
Hiroshi Morishima’s Wagami Andon demonstrates how the development of halogen lights has allowed lighting designers to use relatively flammable materials near the light source.
Explanation:
In halogen light bulbs illumination takes place when electricity produces enough heat to turn on a tungsten filament, therefore emitting light or “incandescence”. Even though it is safer than previous lighting technologies, nowadays LED lighting is considered much better, since it produces a lower temperature, being safer than halogen ligthing.
