Which location would you expect to have the strongest updrafts? an area where the ground temperature is much greater than the air above it
an area where the ground temperature is slightly higher than the air above it
an area where the ground temperature is the same as the air above it

Explain two reasons you think it is important for scientists to search for new ways to treat cancer

Identify the missing parts of the carbon cycle

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.