Look at the four positions of Earth with respect to the sun.

Brazil is located on the Equator. At what positions of Earth, will the sun be exactly overhead at Brazil?

Position 1and Position 3

Position 2 and Position 3

Position 3 and Position 4

Position 4 and Position 1

Sand spinifex grass is adapted to growing on sand dunes. it is a rapidly spreading plant and the creeping runners produce new root systems. which of these best explains the benefits of these features? a. it limits water loss through the leaves. b. it provides support by anchoring the plant. c. it protects the plant from predators. d. it allows the plant to tolerate salt. reset submit

Will give ! ! widentify the advantages and disadvantages of renewable and nonrenewable energy resources.

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.