Judge the following sentence according to the criteria given below: Marine sediments can't provide insight into today's climate changes BECAUSE they reveal a detailed history of Earth's past climate. a. The assertion and the reason are both correct, and the reason is valid. b. The assertion and the reason are both correct, but the reason is invalid. c. The assertion is correct, but the reason is incorrect. d. The assertion is incorrect, but the reason is correct. e. Both the assertion and the reason are incorrect.