Which statement from this passage is an example of an opinion? a. so, when you see the sun, you aren't seeing it as it is. b. it's obvious that humans will never travel to planets near even the closest stars. c. the star nearest earth is the sun. d. according to science, . . the speed of light . . is about 186,000 miles per second.

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.