Which of these is the most sustainable city? A. Johannesburg, South Africa
B. Helsinki, Finland
O C. Reykjavik, Iceland
D. Gothenburg, Sweden

How did the miller-urey experiment impact the way scientists think about the origins of life? use what you know about the miller-urey experiments to discuss the factors needed for life to arise, and speculate on whether life could arise on another planet.

What must be done to breed dogs for a partical trait

Why do we perceive objects as retaining their brightness under different lighting levels?