What has been the trend in the change of hominid brain size over the last 6 million years?

Which medullary index indicates a human hair? a. 0.653 b. 0.733 c. 0.516 d. 0.256

What evidence supports the law of conservation of energy? a) mechanical energy is converted to chemical energy during photosynthesis. b) oxygen is made from the breakdown of carbon dioxide during photosynthesis. c)energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis. d)the sun gives off light energy that is absorbed by plants.

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?