Yeast, because without yeast we could not create mass quantities of bread for the masses and we couldn't make wine or cheese or other resources that are used in so many industries, it's also very useful in genetic modification due to it's simple nature you can modify it and add and edit Gene's like makin fb it glow in the dark or bioluminescent. Lastly, we can use its process to make biofuels for space travel and for a symbiotic relationship with other plants and animals.
Alcohol can cause a fatty liver, alcoholic cirrhosis, alcoholic hepatitis and can cause liver cancer. alcohol travels through your liver and if your drinking heavily it can't process it fast enough and causes damage and scarring and kills your liver cells
14:<span>D. Type; performing a different activity to achieve his goal
15:</span><span>C. Walk four times per week.
20:B. </span><span>Stretching on non-running days</span>
Eat healthier food
Regular exercise
Make sure to get sufficient sleep