Yeast require energy to grow and divide its cells, therefore yeast grows best in sugar solution.
hot water!
water
Warm water is best for yeast because yeast is a living organism that likes to live in similar temperatures to humans. Put yeast in hot water and it dies, put it in cold water and it will not do its job properly (will be too cold to reproduce fast etc). Put it in water that is just right and it will thrive
Pepper
The best drink for a parakeet is water.
Some popular options for caffeine-free hot drinks include herbal teas (such as chamomile or peppermint), hot chocolate made with non-dairy milk, and turmeric golden milk. These options provide warmth and comfort without the stimulating effects of caffeine.
water
There is no sugar in yeast because it is a living organism and living organisms don't need sugar.
A cactus or succulent would likely be best.
There are a number of good recovery drinks available. Some drinks to consider are cherry juice, traditional sports drinks, water or low fat chocolate milk.
If the water is too hot, it kills the yeast. It stops working and therefore wouldn't make the bread rise. If the water was too cold, it wouldn't do anything to the bread. If you use warm water, however, then it gives enough energy to help the yeast work so that the bread can rise, making you're loaf.