Ahiker climbs a hill. how does the potential energy of the hiker change as she climbs higher?

What if the yeast were extremely active and produced more than 100ml gas. would you know? why/why not

Which of the following best describes the expensive tissue hypothesis? brains require more energy, so the gut had to be reduced, and larger brains and tool use led to higher quality diets. increasing body size means that homo neanderthalensis had to include more fat in its diet. brains require more energy, so the gut had to be reduced as brains got bigger. brains require more fat, so the gastrointestinal viscera (gut) had to expand, and hands were needed to acquire more food.

Amajor source of energy for your body comes from