Does caffeine really affect reaction time?
we did an experiment and there was no real change in reaction time when consuming caffeine and when people did not consume caffeine.
is this true or was our experiment inaccurate
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Ответ:
Caffeine usually does have a very small, but noticeable effect on reaction time. It might just be you didn't do the experiment enough times or you measured the results inaccurately.
Ответ:
Correct A). Erosion
The greatest threat to agricultural sustainability can be caused due to erosion. Erosion is a natural phenomenon that is known to affect all landforms.
In agricultural practice, soil erosion is a process that is known to remove the top fertile layer of the soil, that may be caused by natural or physical agents like wind, water etc. It may also be caused by some form of farming practice such as tillage.