Large hydroelectric dams: a. have one of the highest (if not the highest) eroei of any energy source. b. produce no co2 emissions to generate the electricity because nothing is burned. c. do little if any environmental damage. d. a and b. e. a, b, and c.

Which of the following is the source of energy for photosynthesis? a.) glucose b.) chlorophyll c.) carbon dioxide d.) sunlight

Which of the following is a testable hypotheses?

Toorale man murder mystery < - your lab link 1. how was the toorale man found? 2. what did archaeologists learn about the burial? why is the burial important? 3. what information were the scientists able to learn from the skeleton itself? 4. why is the question of whether the injuries came from a stone or steel weapon important? how could scientists distinguish between the different types of weapons? 5. what did the carbon dating and soil testing tell scientists about toorale man? why are the dates interesting for scientists?