Discover Questions

If the Earth is an "oblate spheroid", how do you explain that the Canadian Prairies are perfectly flat? The ratio of a square is 3:1. What is the ratio of their perimeters? What is the best way to finish obsidian? Y is directly proportional to x3. find the percentage increase in y when x is doubled? Was there a myth, that putting batteries in the freezer would recharge them? (AA and AAA alkaline batteries)?