Which greenhouse gases was harrison ford measuring in the atmosphere when he was up in the plane? question 1 options: oxygen carbon dioxide nitrogen methane

Which of the follow describes a disadvantage secondary sources have compared to primary sources?

Consider the venn diagram of plant reproduction. where in this image, areas a - d, would you insert the picture of the orange lily?

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.