Welcome to Westonci.ca, the place where your questions find answers from a community of knowledgeable experts. Ask your questions and receive accurate answers from professionals with extensive experience in various fields on our platform. Join our Q&A platform to connect with experts dedicated to providing accurate answers to your questions in various fields.

Stone arrowheads are made by chipping smooth, curved pieces from rock to form a sharply pointed triangle with razor-sharp edges. Which rock, obsidian or gabbro, would make a better arrowhead? Why?