The author implies which of the following about currently available geological and archaeological evidence concerning the solar-activity cycle? A. It best supports the model of solar activity described in the hightlighted portion 1. B. It best supports the model of solar activity described in hightlighted portion 2. C. It is insufficient to confirm either model of solar activity described in the third paragraph. D. It contradicts both models of solar activity as they are presented in the third paragraph. E. It disproves the theory that terrestrial weather and solar activity are linked in some way.