When comparing coffee makers, you should concentrate on how big it is and therefore how much coffee ingredients it can use before having to be refilled. Also you should concentrate on how easy it is to handle and how fast the coffee comes out.
There is between 386-652 mg/L caffeine content in the coffee concentrate.
gum doesn't help you concentrate in school
A coffe concentrate is used, so yes :)
No
kool aid, tea, juice concentrate, coffee
Turn on music when you try to concentrate. If it helps, it works.
bananas
no
If you concentrate
Food concentrate could be useful on the moon as it is lightweight, compact, and easy to transport. However, it may lack the sensory appeal and variety that astronauts need for psychological well-being during long-duration missions. It could be a practical option for short-term missions or emergency situations where weight and volume are critical factors.
They don't help you concentrate necessarily, but they do teach you to work hard and meet your deadlines better.