If a force of 6 newtons to the right and a force of 6 newtons to the left are acting upon a ball, the ball will: A: move to the right with the same speed

B: move to the left with the same speed

C: be forced vertical with the same speed

D: continue with the same velocity

there is one correct answer

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.